British Thermal Unit to Erg Converter

Convert BTUs to ergs with our free online energy converter.

Quick Answer

1 British Thermal Unit = 10550600000 ergs

Formula: British Thermal Unit × conversion factor = Erg

Use the calculator below for instant, accurate conversions.

Our Accuracy Guarantee

All conversion formulas on UnitsConverter.io have been verified against NIST (National Institute of Standards and Technology) guidelines and international SI standards. Our calculations are accurate to 10 decimal places for standard conversions and use arbitrary precision arithmetic for astronomical units.

Last verified: February 2026|Reviewed by: Sam Mathew, Software Engineer

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How to Use the British Thermal Unit to Erg Calculator:

Enter the value you want to convert in the 'From' field (British Thermal Unit).
The converted value in Erg will appear automatically in the 'To' field.
Use the dropdown menus to select different units within the Energy category.
Click the swap button (⇌) to reverse the conversion direction.

How to Convert British Thermal Unit to Erg: Step-by-Step Guide

Converting British Thermal Unit to Erg involves multiplying the value by a specific conversion factor, as shown in the formula below.

Formula:

erg = BTU × 10550600000

Example Calculation:

1 BTU = 10550600000 erg

Disclaimer: For Reference Only

These conversion results are provided for informational purposes only. While we strive for accuracy, we make no guarantees regarding the precision of these results, especially for conversions involving extremely large or small numbers which may be subject to the inherent limitations of standard computer floating-point arithmetic.

Not for professional use. Results should be verified before use in any critical application. View our Terms of Service for more information.

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What is a British Thermal Unit and a Erg?

The British Thermal Unit (symbol: BTU or Btu) is a unit of energy defined as the amount of heat required to raise the temperature of exactly one pound-mass of water by one degree Fahrenheit, measured at or near water's maximum density temperature (approximately 39.2°F or 4°C).

Official Definition (IT BTU)

The International Table BTU (IT BTU) is the standard BTU used in modern applications:

1 BTU (IT) = 1,055.05585262 joules (exactly)

This definition, established through international steam table conventions, provides an exact conversion to SI units.

Historical BTU Variants

Historically, several BTU definitions existed based on different water temperature ranges:

39°F BTU: Using water at its maximum density point (39.2°F) = 1,059.67 J
60°F BTU: Using water at 60°F (common in British engineering) = 1,054.68 J
Mean BTU: Average over range 32-212°F = 1,055.87 J
Thermochemical BTU: Based on thermochemical calorie = 1,054.35 J
IT BTU (International Table): Modern standard = 1,055.05585262 J (exact)

Modern Usage: The IT BTU is now universal in US engineering, HVAC, and energy applications unless otherwise specified.

BTU vs. BTU/h (Power vs. Energy)

Critical Distinction:

BTU = unit of ENERGY (total heat)
BTU/h (BTU per hour) = unit of POWER (rate of energy transfer)

Example:

A furnace rated at 80,000 BTU/h delivers 80,000 BTU of heat per hour
Running for 3 hours delivers 240,000 BTU total energy
This is analogous to watts (power) vs. watt-hours (energy)

Common Notation:

BTU/h, BTU/hr, BTUh, Btu/h, or BTUH all mean BTU per hour (power)
HVAC equipment ratings almost always use BTU/h despite sometimes omitting "/h"

Relationship to Other Units

Energy:

1 BTU = 1,055.06 joules (J)
1 BTU = 1.05506 kilojoules (kJ)
1 BTU = 0.293071 watt-hours (Wh)
1 BTU = 0.000293071 kilowatt-hours (kWh)
1 BTU = 0.251996 kilocalories (kcal)
1 BTU = 251.996 calories (thermochemical)

Power (BTU/h to watts):

1 BTU/h = 0.293071 watts (W)
1,000 BTU/h = 293.071 W ≈ 0.293 kW
12,000 BTU/h = 3,516.85 W ≈ 3.52 kW (1 ton AC)

1 erg = 0.0000001 joules (J)

Note: The British Thermal Unit is part of the imperial/US customary system, primarily used in the US, UK, and Canada for everyday measurements. The Erg belongs to the imperial/US customary system.

History of the British Thermal Unit and Erg

The BTU's 170-year history reflects the evolution of thermodynamics, industrial engineering, and American energy infrastructure.

Industrial Revolution Origins (1840s-1860s)

The Problem: Mid-19th century British engineers needed standardized measurements to:

Compare coal qualities and heating values
Calculate steam engine efficiency
Design boilers and heating systems
Establish fuel pricing based on energy content

Imperial Unit Framework: Early thermodynamics (Joule, Kelvin, Rankine) used British imperial units:

Pounds (mass)
Fahrenheit (temperature)
Foot-pounds (mechanical work)

BTU Development (1850s): The "British thermal unit" emerged as the heat equivalent to raising one pound of water by one degree Fahrenheit, providing an intuitive unit for British engineers familiar with imperial measurements.

Early Usage:

Coal industry: BTU per pound for fuel quality
Steam power: BTU input vs. mechanical work output (efficiency)
Industrial heating: Boiler and furnace capacity ratings

American Adoption (1870s-1920s)

Late 19th Century: American industrial expansion embraced the BTU for:

Railroad locomotive coal consumption
Factory steam heating systems
Urban gas lighting and heating (coal gas)
Refrigeration industry development

Refrigeration "Ton" (1880s-1900s): The refrigeration industry defined cooling capacity based on ice production:

1 ton of refrigeration = melting 1 ton (2,000 lbs) of ice in 24 hours
Ice melting heat: 144 BTU/lb × 2,000 lbs = 288,000 BTU per day
Rate: 288,000 BTU ÷ 24 hours = 12,000 BTU/h
This became the standard unit for air conditioning capacity

Natural Gas Industry (1900s-1920s): As natural gas distribution networks developed, utilities billed customers by BTU content:

Gas heat value: approximately 1,000 BTU per cubic foot
Therm (1920s): Defined as 100,000 BTU for convenient billing
Still used in US natural gas bills today

Standardization (1920s-1960s)

International Steam Tables (1929-1956): International conferences standardized thermodynamic properties of water and steam, establishing:

IT calorie (International Table calorie) = 4.1868 joules (exact)
IT BTU = 1,055.05585262 joules (derived from IT calorie)

Post-WWII HVAC Boom (1940s-1960s): Residential air conditioning explosion in the United States:

Room air conditioners rated in BTU/h (5,000, 8,000, 10,000, 12,000 BTU/h)
Central AC systems in tons (1-ton, 2-ton, 3-ton, 5-ton)
Furnaces and boilers rated in BTU/h input/output

UK/Commonwealth Metrication (1960s-1980s): Britain and Commonwealth nations transitioned to SI units:

Joules (J) replaced BTU for energy
Watts (W) replaced BTU/h for power
Celsius replaced Fahrenheit

Modern Era: US Retention (1970s-Present)

1975 Energy Policy and Conservation Act: Mandated energy efficiency labeling for appliances using BTU-based metrics:

EER (Energy Efficiency Ratio) = BTU/h output ÷ watts input
AFUE (Annual Fuel Utilization Efficiency) = BTU output ÷ BTU input
SEER (Seasonal Energy Efficiency Ratio) = BTU cooling ÷ watt-hours seasonal

Persistence in US Markets: Despite federal metrication efforts (1975 Metric Conversion Act), BTU remained dominant:

HVAC contractors trained in BTU/h calculations
Building codes specify BTU/h capacities
Consumer familiarity ("12,000 BTU air conditioner")
Industry infrastructure built around BTU standards

Current Status (2020s):

US HVAC industry: 100% BTU-based
Natural gas utilities: Billing in therms (100,000 BTU)
Appliance ratings: Water heaters, furnaces, stoves in BTU/h
Energy statistics: DOE reports in "quads" (quadrillion BTU)

While engineers often convert to SI units for calculations, BTU remains the commercial and consumer-facing standard in American energy markets.

Common Uses and Applications: BTUs vs ergs

Explore the typical applications for both British Thermal Unit (imperial/US) and Erg (imperial/US) to understand their common contexts.

Common Uses for BTUs

HVAC System Sizing and Selection

HVAC professionals calculate heating/cooling needs in BTU/h:

Cooling Load Calculation:

Square footage: 20-25 BTU/h per sq ft (rule of thumb)
Heat gain factors: Sun exposure, insulation, occupancy, appliances
Room-by-room Manual J calculations (detailed engineering method)

Example: 1,500 sq ft home

Basic: 1,500 × 20 = 30,000 BTU/h minimum (2.5 tons)
With factors: 36,000 BTU/h recommended (3 tons)

Heating Load:

Climate zone based (heating degree days)
Insulation R-values
Air infiltration rates
Manual J detailed calculations

Natural Gas Billing and Pricing

US natural gas utilities bill in therms (100,000 BTU):

Typical Bill:

Winter heating month: 150-300 therms (15-30 million BTU)
Summer low usage: 10-30 therms (1-3 million BTU, cooking/water heating)

Pricing:

Residential: $0.80-$2.00 per therm (varies by region, season)
Commercial: $0.50-$1.50 per therm
Industrial: $0.30-$1.00 per therm (bulk rates)

Appliance Energy Efficiency Ratings

EER (Energy Efficiency Ratio):

Formula: EER = Cooling capacity (BTU/h) ÷ Power input (watts)
Example: 12,000 BTU/h AC using 1,200 watts = EER 10.0
Higher EER = more efficient
Typical range: 8-13 for room ACs, 10-16 for central AC

SEER (Seasonal Energy Efficiency Ratio):

Seasonal average efficiency = BTU cooling ÷ watt-hours consumed
Minimum US standard: SEER 14 (as of 2023 for northern states)
High-efficiency units: SEER 18-25
Calculation accounts for varying outdoor temperatures

AFUE (Annual Fuel Utilization Efficiency):

Percentage of fuel BTU converted to useful heat
Minimum US standard: 80% AFUE for gas furnaces (mid-efficiency)
High-efficiency: 90-98% AFUE (condensing furnaces)
Example: 100,000 BTU/h input, 95% AFUE = 95,000 BTU/h heat output

Energy Content and Fuel Comparison

Industries compare fuels by BTU per unit:

Cost per Million BTU:

Natural gas at $1.00/therm = $10.00 per million BTU
Propane at $2.50/gallon = $27.32 per million BTU
Heating oil at $3.50/gallon = $25.27 per million BTU
Electricity at $0.12/kWh = $35.16 per million BTU

This allows consumers to compare heating costs across fuel types.

National and Industrial Energy Statistics

US Department of Energy uses "quad" (quadrillion BTU) for national statistics:

2022 US Energy Consumption (approximate):

Total: 100 quads (100 × 10¹⁵ BTU)
Petroleum: 36 quads
Natural gas: 33 quads
Coal: 10 quads
Nuclear: 8 quads
Renewables: 13 quads

Building Codes and Regulations

US building codes specify BTU requirements:

Minimum ventilation: CFM (cubic feet per minute) and BTU/h heat loss
Furnace sizing: BTU/h capacity requirements by climate zone
Water heater recovery: Gallons per hour at ΔT or BTU/h rating

When to Use ergs

Used in physics, engineering, energy systems, and scientific calculations where this energy scale is appropriate for the application.

Additional Unit Information

About British Thermal Unit (BTU)

How many BTUs do I need for air conditioning?

Rule of thumb: 20-25 BTU per square foot for cooling in moderate climates.

Examples:

500 sq ft room: 10,000-12,500 BTU/h → 10,000 or 12,000 BTU/h unit
1,000 sq ft: 20,000-25,000 BTU/h → 2-ton (24,000 BTU/h) central AC
1,500 sq ft: 30,000-37,500 BTU/h → 3-ton (36,000 BTU/h) system

Factors increasing BTU needs:

Hot climate (southern US)
Poor insulation
Large windows or south/west exposure
High ceilings
Many heat-generating appliances

Professional sizing: Use Manual J load calculation for accurate sizing.

What is 12,000 BTU/h?

12,000 BTU/h = 1 ton of refrigeration = 3.517 kW cooling capacity

Origin: Amount of cooling from melting 1 ton (2,000 pounds) of ice over 24 hours.

Common AC sizes based on tons:

0.5 ton = 6,000 BTU/h (very small room)
1 ton = 12,000 BTU/h (large room or small apartment)
1.5 tons = 18,000 BTU/h (2-3 rooms)
2 tons = 24,000 BTU/h (small house, ~1,200-1,500 sq ft)
3 tons = 36,000 BTU/h (medium house, ~1,500-2,100 sq ft)

How do I convert BTU to kWh?

Formula: kWh = BTU ÷ 3,412.14

Example: 10,000 BTU = 10,000 ÷ 3,412 = 2.93 kWh

Reverse: BTU = kWh × 3,412.14

5 kWh = 5 × 3,412 = 17,060 BTU

For power (BTU/h to kW): kW = BTU/h ÷ 3,412.14

24,000 BTU/h = 24,000 ÷ 3,412 = 7.03 kW (2-ton AC)

What is a therm in natural gas billing?

1 therm = 100,000 BTU exactly

US natural gas utilities bill in therms rather than BTU for convenience.

Typical household usage:

Winter month (heating): 150-300 therms (15-30 million BTU)
Summer month (cooking/water heating only): 10-30 therms (1-3 million BTU)

Relationship to volume:

Natural gas heat content: ~1,000-1,030 BTU per cubic foot (varies)
1 therm ≈ 97-100 cubic feet (CCF = hundred cubic feet)
Some utilities bill in CCF, approximately equivalent to 1 therm

How efficient are different heating fuels in BTU per dollar?

Example comparison (prices vary by region and time):

Assuming: Natural gas $1.00/therm, Propane $2.50/gal, Heating oil $3.50/gal, Electricity $0.12/kWh

Cost per million BTU:

Natural gas: $10.00 per million BTU (most economical)
Propane: $27.32 per million BTU
Heating oil: $25.27 per million BTU
Electricity: $35.16 per million BTU (expensive for heating, but 100% efficient at point of use)

With efficiency factored in (95% gas furnace vs. electric baseboard):

Natural gas: $10.00 / 0.95 = $10.53 per million BTU delivered heat
Electric: $35.16 / 1.00 = $35.16 per million BTU delivered heat
Heat pump (COP 3.0): $35.16 / 3.0 = $11.72 per million BTU (competitive with gas!)

What is EER for air conditioners?

EER (Energy Efficiency Ratio) = Cooling output (BTU/h) ÷ Power input (watts)

Example: 12,000 BTU/h AC using 1,000 watts

EER = 12,000 ÷ 1,000 = 12.0

Typical ranges:

Old units: EER 8-10
Standard efficiency: EER 10-12
High efficiency: EER 12-14+

Higher EER = more efficient = lower operating cost

Related metric - SEER (Seasonal EER):

Accounts for varying outdoor temperatures throughout season
Minimum US standard: SEER 14 (2023)
High-efficiency: SEER 18-25

How many BTU does the human body produce?

Resting: 250-350 BTU/h (sitting, sleeping) Light activity: 400-500 BTU/h (office work, reading) Moderate activity: 600-800 BTU/h (walking, cooking) Heavy activity: 1,000-1,500 BTU/h (exercise, manual labor)

Example: Office with 20 people

20 people × 400 BTU/h = 8,000 BTU/h heat gain
AC system must remove this heat plus external and equipment heat loads

HVAC design accounts for occupancy heat gain when sizing systems.

Can I use a propane heater indoors?

Depends on heater type and ventilation:

Vented (direct vent, B-vent): YES

Exhausts combustion gases outside
Safe for indoor use
Rated in BTU/h (e.g., 30,000 BTU/h)

Ventless/vent-free: SOMETIMES (check local codes)

Designed with oxygen depletion sensor (ODS)
Many jurisdictions restrict or ban ventless propane indoors
Produces water vapor and consumes oxygen
Typical: 10,000-30,000 BTU/h

Outdoor propane heaters: NO (for indoors)

Patio heaters (40,000+ BTU/h) produce too much CO and consume too much oxygen
Designed for outdoor use only

Safety: Carbon monoxide detector mandatory for any combustion appliance.

What BTU rating do I need for a water heater?

Depends on household size and usage:

Gas Water Heaters (tank):

1-2 people: 30,000-36,000 BTU/h (30-40 gallon tank)
3-4 people: 36,000-38,000 BTU/h (40-50 gallon tank)
5+ people: 38,000-50,000 BTU/h (50-75 gallon tank)

Tankless Gas (on-demand):

1-2 fixtures: 140,000-180,000 BTU/h (small unit)
3-4 fixtures: 180,000-200,000 BTU/h (whole-house)

Electric (measured in kW, convert: 1 kW ≈ 3,412 BTU/h):

40-gallon: 4.5-5.5 kW (15,000-19,000 BTU/h equivalent)
50-gallon: 5.5-6.0 kW (19,000-20,000 BTU/h equivalent)

Recovery rate matters: BTU/h determines how quickly tank reheats after use.

How much does it cost to run a 10,000 BTU/h air conditioner?

Energy consumption: 10,000 BTU/h ÷ 3,412 BTU/kWh = 2.93 kW (if 100% efficient, which no AC is)

Actual power draw (assuming EER 10.0): 10,000 BTU/h ÷ 10 EER = 1,000 watts = 1 kW

Operating cost (assuming $0.12/kWh electricity rate):

Per hour: 1 kW × $0.12 = $0.12/hour
8 hours/day: $0.96/day = $28.80/month
24/7 (30 days): $86.40/month

Variables affecting cost:

EER rating (higher = lower cost)
Electricity rate (varies $0.08-$0.30/kWh by region)
Usage hours per day
Outdoor temperature (hotter = longer run time)

About Erg (erg)

How do I convert erg to joules?

Formula: J = erg × 0.0000001

Erg to Joules converter →

How do I convert erg to kWh?

To convert to kilowatt-hours, first convert to joules, then divide by 3,600,000.

Erg to kWh converter →

What is Erg used for?

Erg is used in contexts where the energy scale makes it convenient compared to very large or very small joule values. It provides a practical measurement unit for specific applications.

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Energy Unit Registry Log 134: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 135: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 136: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 137: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 138: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 139: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 140: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 141: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 142: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 143: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 144: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 145: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 146: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 147: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 148: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 149: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 150: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 151: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 152: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 153: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 154: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 155: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 156: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 157: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 158: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 159: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 160: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 161: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 162: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 163: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 164: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 165: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 166: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 167: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 168: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 169: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 170: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 171: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 172: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 173: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 174: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 175: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 176: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 177: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 178: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 179: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 180: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 181: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 182: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 183: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 184: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 185: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 186: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 187: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 188: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 189: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 190: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 191: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 192: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 193: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 194: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 195: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 196: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 197: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 198: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 199: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 200: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 201: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 202: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 203: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 204: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 205: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 206: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 207: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 208: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 209: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 210: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 211: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 212: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 213: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 214: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 215: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 216: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 217: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 218: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 219: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 220: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 221: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 222: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 223: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 224: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 225: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 226: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 227: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 228: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 229: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 230: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 231: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 232: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 233: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 234: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 235: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 236: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 237: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 238: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 239: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 240: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 241: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 242: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 243: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 244: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 245: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 246: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 247: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 248: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 249: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 250: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 251: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 252: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 253: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 254: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 255: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 256: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 257: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 258: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 259: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 260: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 261: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 262: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 263: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 264: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 265: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 266: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 267: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 268: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 269: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 270: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 271: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 272: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 273: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 274: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 276: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 278: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 279: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 280: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 282: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 283: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 284: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 285: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 286: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 292: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 293: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 295: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 296: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 297: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 298: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 299: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 300: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 301: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 302: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 303: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 304: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 305: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 306: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 307: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 308: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 309: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 310: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 311: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 312: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 313: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 314: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 315: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 316: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 317: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 318: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 319: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 320: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 321: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 322: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 323: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 324: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 325: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 326: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 327: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 328: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 329: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 330: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 331: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 332: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 333: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 334: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 335: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 336: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 337: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 338: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 339: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 340: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 342: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 343: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 344: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 345: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 346: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 352: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 354: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 356: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 358: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 360: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 362: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 363: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 365: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 366: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 367: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 368: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 369: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 370: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 371: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 372: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 373: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 374: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 375: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 376: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 377: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 378: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 379: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 380: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 381: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 382: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 383: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 384: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 385: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 386: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 387: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 388: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 390: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 392: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 393: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 400: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 401: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 402: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 403: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 404: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 406: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 502: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 503: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 504: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 505: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 506: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 507: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 508: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 509: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 510: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 511: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 512: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 513: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 514: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 515: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 516: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 517: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 518: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 519: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 520: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 521: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 522: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 523: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 524: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 525: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 526: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 527: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 528: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 529: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 530: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 531: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 532: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 533: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 534: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 535: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 536: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 537: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 538: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 539: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 540: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 541: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 542: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 543: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 544: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 545: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 546: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 547: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 548: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 549: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 550: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 551: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 552: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 553: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 554: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 555: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 556: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 557: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 558: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 559: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 560: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 561: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 562: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 563: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 564: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 565: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 566: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 567: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 568: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 569: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 570: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 571: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 572: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 573: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 574: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 575: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 576: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 577: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 578: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 579: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 580: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 581: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 582: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 583: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 584: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 585: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 586: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 587: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 588: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 589: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 590: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 591: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 592: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 593: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 594: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 595: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 597: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 598: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 599: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 600: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 601: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 602: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 603: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 604: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 605: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 606: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 607: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 608: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 609: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 610: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 611: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 612: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 613: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 614: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 615: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 616: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 617: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 618: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 620: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 624: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 625: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 628: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 629: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 630: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 631: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 632: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 633: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 634: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 635: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 636: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 637: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 638: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 639: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 640: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 641: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 642: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 645: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 647: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 648: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 649: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 650: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 651: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 652: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 653: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 654: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 655: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 656: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 657: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 658: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 659: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 660: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 661: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 662: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 663: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 664: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 666: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 667: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 668: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 669: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 670: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 671: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 672: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 673: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 674: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 675: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 676: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 677: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 678: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 679: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 680: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 681: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 682: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 683: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 684: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 685: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 686: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 687: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 688: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 689: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 690: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 691: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 692: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 693: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 694: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 695: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 696: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 697: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 698: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 699: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 700: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 701: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 702: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 703: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 704: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 705: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 706: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 707: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 708: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 709: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 710: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 711: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 712: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 713: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 714: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 715: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 716: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 717: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 718: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 719: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 720: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 721: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 722: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 723: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 724: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 725: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 726: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 727: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 728: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 729: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 730: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 731: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 732: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 733: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 734: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 735: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 736: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 737: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 738: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 739: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 740: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 741: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 742: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 744: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 747: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 748: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 749: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 750: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 751: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 752: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 755: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 756: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 760: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 761: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 762: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 766: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 767: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 768: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 770: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 771: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 772: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 774: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 775: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 776: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 777: Technical energy scale benchmark for scientific research and mechanical work log site area.
Energy Unit Registry Log 778: Technical energy scale benchmark for scientific research and mechanical work log site area.
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Energy Unit Registry Log 780: Technical energy scale benchmark for scientific research and mechanical work log site area.

Conversion Table: British Thermal Unit to Erg

British Thermal Unit (BTU)	Erg (erg)
0.5	5,275,300,000
1	10,550,600,000
1.5	15,825,900,000
2	21,101,200,000
5	52,753,000,000
10	105,506,000,000
25	263,765,000,000
50	527,530,000,000
100	1,055,060,000,000
250	2,637,650,000,000
500	5,275,300,000,000
1,000	10,550,600,000,000

How do I convert British Thermal Unit to Erg?

To convert British Thermal Unit to Erg, enter the value in British Thermal Unit in the calculator above. The conversion will happen automatically. Use our free online converter for instant and accurate results. You can also visit our energy converter page to convert between other units in this category.

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What is the conversion factor from British Thermal Unit to Erg?

The conversion factor depends on the specific relationship between British Thermal Unit and Erg. You can find the exact conversion formula and factor on this page. Our calculator handles all calculations automatically. See the conversion table above for common values.

Can I convert Erg back to British Thermal Unit?

Yes! You can easily convert Erg back to British Thermal Unit by using the swap button (⇌) in the calculator above, or by visiting our Erg to British Thermal Unit converter page. You can also explore other energy conversions on our category page.

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What are common uses for British Thermal Unit and Erg?

British Thermal Unit and Erg are both standard units used in energy measurements. They are commonly used in various applications including engineering, construction, cooking, and scientific research. Browse our energy converter for more conversion options.

For more energy conversion questions, visit our FAQ page or explore our conversion guides.

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All Energy Conversions

Joule to Kilojoule Joule to Megajoule Joule to Gigajoule Joule to Watt-hour Joule to Kilowatt-hour Joule to Megawatt-hour Joule to Calorie Joule to Kilocalorie Joule to British Thermal Unit Joule to Therm Joule to Foot-pound Joule to Electronvolt Joule to Erg Joule to Quad Kilojoule to Joule Kilojoule to Megajoule Kilojoule to Gigajoule Kilojoule to Watt-hour Kilojoule to Kilowatt-hour Kilojoule to Megawatt-hour Kilojoule to Calorie Kilojoule to Kilocalorie Kilojoule to British Thermal Unit Kilojoule to Therm Kilojoule to Foot-pound Kilojoule to Electronvolt Kilojoule to Erg Kilojoule to Quad Megajoule to Joule Megajoule to Kilojoule Megajoule to Gigajoule Megajoule to Watt-hour Megajoule to Kilowatt-hour Megajoule to Megawatt-hour Megajoule to Calorie Megajoule to Kilocalorie Megajoule to British Thermal Unit Megajoule to Therm Megajoule to Foot-pound Megajoule to Electronvolt Megajoule to Erg Megajoule to Quad Gigajoule to Joule Gigajoule to Kilojoule Gigajoule to Megajoule Gigajoule to Watt-hour Gigajoule to Kilowatt-hour Gigajoule to Megawatt-hour Gigajoule to Calorie Gigajoule to Kilocalorie Gigajoule to British Thermal Unit Gigajoule to Therm Gigajoule to Foot-pound Gigajoule to Electronvolt Gigajoule to Erg Gigajoule to Quad Watt-hour to Joule Watt-hour to Kilojoule Watt-hour to Megajoule Watt-hour to Gigajoule Watt-hour to Kilowatt-hour Watt-hour to Megawatt-hour Watt-hour to Calorie Watt-hour to Kilocalorie Watt-hour to British Thermal Unit Watt-hour to Therm Watt-hour to Foot-pound Watt-hour to Electronvolt Watt-hour to Erg Watt-hour to Quad Kilowatt-hour to Joule Kilowatt-hour to Kilojoule Kilowatt-hour to Megajoule Kilowatt-hour to Gigajoule Kilowatt-hour to Watt-hour Kilowatt-hour to Megawatt-hour Kilowatt-hour to Calorie Kilowatt-hour to Kilocalorie Kilowatt-hour to British Thermal Unit Kilowatt-hour to Therm Kilowatt-hour to Foot-pound Kilowatt-hour to Electronvolt Kilowatt-hour to Erg Kilowatt-hour to Quad Megawatt-hour to Joule Megawatt-hour to Kilojoule Megawatt-hour to Megajoule Megawatt-hour to Gigajoule Megawatt-hour to Watt-hour Megawatt-hour to Kilowatt-hour Megawatt-hour to Calorie Megawatt-hour to Kilocalorie Megawatt-hour to British Thermal Unit Megawatt-hour to Therm Megawatt-hour to Foot-pound Megawatt-hour to Electronvolt Megawatt-hour to Erg Megawatt-hour to Quad Calorie to Joule Calorie to Kilojoule Calorie to Megajoule Calorie to Gigajoule Calorie to Watt-hour Calorie to Kilowatt-hour Calorie to Megawatt-hour Calorie to Kilocalorie Calorie to British Thermal Unit Calorie to Therm Calorie to Foot-pound Calorie to Electronvolt Calorie to Erg Calorie to Quad Kilocalorie to Joule Kilocalorie to Kilojoule Kilocalorie to Megajoule Kilocalorie to Gigajoule Kilocalorie to Watt-hour Kilocalorie to Kilowatt-hour Kilocalorie to Megawatt-hour Kilocalorie to Calorie

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Verified Against Authority Standards

All conversion formulas have been verified against international standards and authoritative sources to ensure maximum accuracy and reliability.

NIST Reference on Constants, Units and Uncertainty

National Institute of Standards and Technology — Fundamental physical constants and unit conversions

BIPM SI Units

Bureau International des Poids et Mesures — International System of Units (SI) definitions and standards

ISO 80000

International Organization for Standardization — Quantities and units international standards series

Last verified: February 19, 2026

British Thermal Unit to Erg Converter

Quick Answer

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British Thermal Unit to Erg Calculator

How to Use the British Thermal Unit to Erg Calculator:

How to Convert British Thermal Unit to Erg: Step-by-Step Guide

Formula:

Example Calculation:

What is a British Thermal Unit and a Erg?

Official Definition (IT BTU)

Historical BTU Variants

BTU vs. BTU/h (Power vs. Energy)

Relationship to Other Units

History of the British Thermal Unit and Erg

Industrial Revolution Origins (1840s-1860s)

American Adoption (1870s-1920s)

Standardization (1920s-1960s)

Modern Era: US Retention (1970s-Present)

Common Uses and Applications: BTUs vs ergs

Common Uses for BTUs

HVAC System Sizing and Selection

Natural Gas Billing and Pricing

Appliance Energy Efficiency Ratings

Energy Content and Fuel Comparison

National and Industrial Energy Statistics

Building Codes and Regulations

When to Use ergs

Additional Unit Information

About British Thermal Unit (BTU)

How many BTUs do I need for air conditioning?

What is 12,000 BTU/h?

How do I convert BTU to kWh?

What is a therm in natural gas billing?

How efficient are different heating fuels in BTU per dollar?

What is EER for air conditioners?

How many BTU does the human body produce?

Can I use a propane heater indoors?

What BTU rating do I need for a water heater?

How much does it cost to run a 10,000 BTU/h air conditioner?

About Erg (erg)

How do I convert erg to joules?

How do I convert erg to kWh?

What is Erg used for?

Conversion Table: British Thermal Unit to Erg

People Also Ask

How do I convert British Thermal Unit to Erg?

What is the conversion factor from British Thermal Unit to Erg?

Can I convert Erg back to British Thermal Unit?

What are common uses for British Thermal Unit and Erg?

Helpful Conversion Guides

📚 How to Convert Units

🔢 Conversion Formulas

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⚠️ Common Mistakes

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Metric vs Imperial

Common Mistakes

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