UnitsConverter

Gigajoule to Therm Converter

Convert gigajoules to therms with our free online energy converter.

Quick Answer

1 Gigajoule = 9.478134 therms

Formula: Gigajoule × conversion factor = Therm

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 2026Reviewed by: Sam Mathew, Software Engineer

Gigajoule to Therm Calculator

How to Use the Gigajoule to Therm Calculator:

  1. Enter the value you want to convert in the 'From' field (Gigajoule).
  2. The converted value in Therm will appear automatically in the 'To' field.
  3. Use the dropdown menus to select different units within the Energy category.
  4. Click the swap button (⇌) to reverse the conversion direction.
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How to Convert Gigajoule to Therm: Step-by-Step Guide

Converting Gigajoule to Therm involves multiplying the value by a specific conversion factor, as shown in the formula below.

Formula:

therm = GJ × 9.47813

Example Calculation:

1 GJ = 9.478134 therm

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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📋 Unit Symbols

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What is a Gigajoule and a Therm?

1 GJ = 1,000,000,000 joules (J)

1 therm = 105,500,000 joules (J)

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

Common Uses and Applications: gigajoules vs therms

Explore the typical applications for both Gigajoule (imperial/US) and Therm (imperial/US) to understand their common contexts.

Common Uses for gigajoules

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

When to Use therms

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

Additional Unit Information

About Gigajoule (GJ)

How do I convert GJ to joules?

Formula: J = GJ × 1,000,000,000

Gigajoule to Joules converter →

How do I convert GJ to kWh?

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

Gigajoule to kWh converter →

What is Gigajoule used for?

Gigajoule 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.

About Therm (therm)

How do I convert therm to joules?

Formula: J = therm × 105,500,000

Therm to Joules converter →

How do I convert therm to kWh?

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

Therm to kWh converter →

What is Therm used for?

Therm 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.

Conversion Table: Gigajoule to Therm

Gigajoule (GJ)Therm (therm)
0.54.739
19.478
1.514.217
218.956
547.391
1094.781
25236.953
50473.907
100947.813
2502,369.534
5004,739.067
1,0009,478.134

People Also Ask

How do I convert Gigajoule to Therm?

To convert Gigajoule to Therm, enter the value in Gigajoule 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.

Learn more →

What is the conversion factor from Gigajoule to Therm?

The conversion factor depends on the specific relationship between Gigajoule and Therm. 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 Therm back to Gigajoule?

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

Learn more →

What are common uses for Gigajoule and Therm?

Gigajoule and Therm 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.

Helpful Conversion Guides

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📚 How to Convert Units

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⚖️ Metric vs Imperial

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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