UnitsConverter

Atmosphere to Kilogram-force per Square Meter Converter

Convert atmospheres to kilograms-force per square meter with our free online pressure converter.

Quick Answer

1 Atmosphere = 10332.274528 kilograms-force per square meter

Formula: Atmosphere × conversion factor = Kilogram-force per Square Meter

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

Atmosphere to Kilogram-force per Square Meter Calculator

How to Use the Atmosphere to Kilogram-force per Square Meter Calculator:

  1. Enter the value you want to convert in the 'From' field (Atmosphere).
  2. The converted value in Kilogram-force per Square Meter will appear automatically in the 'To' field.
  3. Use the dropdown menus to select different units within the Pressure category.
  4. Click the swap button (⇌) to reverse the conversion direction.
Share:

How to Convert Atmosphere to Kilogram-force per Square Meter: Step-by-Step Guide

Converting Atmosphere to Kilogram-force per Square Meter involves multiplying the value by a specific conversion factor, as shown in the formula below.

Formula:

kgf/m² = atm × 10332.3

Example Calculation:

1 atm = 10332.274528 kgf/m²

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.

Need to convert to other pressure units?

View all Pressure conversions →
📊 Pressure Table

Print-friendly conversion reference

📋 Unit Symbols

Copy atm & kgf/m² symbols

What is a Atmosphere and a Kilogram-force per Square Meter?

1 atm = 101,325 Pa = 101.325 kPa = 14.696 PSI = 1.01325 bar = 760 mmHg = 760 Torr = 29.92 inHg

Why "Atmosphere"?

The atmosphere unit is uniquely important because:

  • Defined exactly: CIPM (1954) set 1 atm = 101,325 Pa (exact)
  • Sea level reference: Based on average atmospheric pressure (not variable)
  • Universal constant: Used identically worldwide (unlike PSI or bar)
  • Chemistry standard: All chemistry/physics equations reference 1 atm conditions
  • STP baseline: "Standard Temperature and Pressure" = 0°C, 1 atm exactly

1 kgf/m² = 9.807 Pa = 0.009807 kPa = 0.09807 mbar = 0.001422 PSI = 0.0736 mmHg

Also written as: kg/m², kgf·m⁻², kilogram-force per square meter

Physical meaning: Pressure exerted by 1 kilogram-force distributed over 1 square meter

Relationship to other kgf units:

  • 10,000 kgf/m² = 1 kgf/cm² (technical atmosphere)
  • 1 kgf/m² = 1 mm water column (approximately)

Note: The Atmosphere is part of the imperial/US customary system, primarily used in the US, UK, and Canada for everyday measurements. The Kilogram-force per Square Meter belongs to the imperial/US customary system.

Common Uses and Applications: atmospheres vs kilograms-force per square meter

Explore the typical applications for both Atmosphere (imperial/US) and Kilogram-force per Square Meter (imperial/US) to understand their common contexts.

Common Uses for atmospheres

Chemistry: Gas laws (PV=nRT), reaction conditions, vapor pressures, standard conditions (STP).

  • Ideal Gas Law: P V = n R T (pressures typically in atm in chemistry)
  • Gas tables: Vapor pressures often given at 1 atm
  • STP (Standard Temperature & Pressure): Exactly 1 atm, 0°C (sometimes 25°C modern definition)

Diving: Depth pressure calculations (1 atm per 10m/33ft water).

  • Critical for: Decompression sickness risk, nitrogen narcosis, oxygen toxicity
  • Rule of thumb: Every 10 meters adds 1 atm pressure

Physics: Standard reference pressure for equations, thermodynamics.

  • Thermodynamics: Heat capacities typically defined at 1 atm
  • Boiling points: Water boils at 100°C only at 1 atm
  • Phase diagrams: Reference state for matter phase transitions

Engineering: High-pressure systems, pressure vessels, gas storage.

  • Vessel ratings: Designed for X psig over 1 atm ambient
  • Cylinder classifications: Based on working pressure as multiples of atm

When to Use kilograms-force per square meter

Obsolete: Rarely used in modern engineering. Historical Documents: May appear in pre-1980s European/Soviet technical literature. Confusion Source: Sometimes mistaken for Pascal in old documents.

Additional Unit Information

About Atmosphere (atm)

How many PSI is 1 atmosphere?

1 atm = 14.696 PSI (often rounded to 14.7 PSI)

Examples:

  • 2 atm = 29.4 PSI (10m dive depth)
  • 3 atm = 44.1 PSI (20m dive depth)
  • 10 atm = 147 PSI (compressed air)
  • 100 atm = 1,470 PSI (gas cylinder)

Atmosphere to PSI converter →

How many atmospheres in a bar?

1 bar = 0.986923 atm (approximately 1 atm, ~1.3% difference)

Conversion:

  • 1 atm = 1.01325 bar
  • 10 atm = 10.1325 bar
  • 100 atm = 101.325 bar
  • 200 atm = 202.65 bar (scuba tank)

Why different?: Bar defined as exactly 100,000 Pa; atm defined as 101,325 Pa.

Atmosphere to Bar converter →

What pressure is 2 atmospheres?

2 atm = 202,650 Pa = 202.65 kPa = 29.4 PSI = 2.026 bar = 1,520 mmHg

Physical meaning:

  • Diving 10 meters (33 feet) underwater
  • Absolute pressure at 10m depth
  • Double the surface atmospheric pressure
  • Pressure inside a pressure cooker

How do I calculate diving depth pressure?

Formula: Total Pressure (atm) = 1 + (Depth in meters ÷ 10)

Or: Total Pressure (atm) = 1 + (Depth in feet ÷ 33)

Examples:

  • 10m (33ft): 1 + (10÷10) = 2 atm
  • 20m (66ft): 1 + (20÷10) = 3 atm
  • 30m (99ft): 1 + (30÷10) = 4 atm
  • 40m (131ft): 1 + (40÷10) = 5 atm

Note: Freshwater calculation uses 10.3m; saltwater 10m per atmosphere.

What is STP in chemistry?

STP (Standard Temperature and Pressure):

  • Pressure: 1 atm = 101,325 Pa = 100 kPa (IUPAC uses 100 kPa)
  • Temperature: 0°C = 273.15 K

Purpose: Reference conditions for gas law calculations

Molar volume at STP: 22.414 L/mol (IUPAC: 22.711 L/mol at 100 kPa)

SATP (Standard Ambient):

  • Pressure: 1 atm = 101,325 Pa
  • Temperature: 25°C = 298.15 K
  • Molar volume: 24.465 L/mol

More commonly used in modern chemistry.

About Kilogram-force per Square Meter (kgf/m²)

How do I convert kgf/m² to Pa or kPa?

Formula: Pa = kgf/m² × 9.807

Examples:

  • 1 kgf/m² = 9.807 Pa ≈ 10 Pa
  • 10 kgf/m² = 98.07 Pa ≈ 0.1 kPa
  • 100 kgf/m² = 980.7 Pa ≈ 1 kPa
  • 1,000 kgf/m² = 9,807 Pa ≈ 10 kPa

Quick approximation: Multiply by 10 to get Pa (2% error)

kgf/m² to Pascal converter →

Is kgf/m² the same as Pascal?

No! But numerically close (common source of confusion)

kgf/m² (kilogram-force per square meter):

  • 1 kgf/m² = 9.807 Pa
  • Gravitational unit (depends on Earth's gravity)
  • Obsolete, not SI-compliant

Pa (Pascal = Newton per square meter):

  • 1 Pa = 1 N/m²
  • SI unit (independent of gravity)
  • Modern standard

Why confusion?:

  • Values similar in magnitude (differ by factor ~10)
  • Old documents sometimes mislabeled Pa as "kg/m²"
  • Both measure pressure

To clarify: If document says "kg/m²", determine if it means:

  • kgf/m² (multiply by 9.807 to get Pa)
  • Pa (mislabeled, use value directly)

How does kgf/m² relate to kgf/cm²?

1 kgf/cm² = 10,000 kgf/m² (factor of 10,000)

kgf/cm² (technical atmosphere):

  • High pressures (hydraulics, materials)
  • 1 kgf/cm² = 98,066.5 Pa ≈ 1 bar
  • Still used in some Asian countries

kgf/m²:

  • Very low pressures
  • 1 kgf/m² = 9.807 Pa
  • Almost completely obsolete

Conversion:

  • 1 kgf/cm² = 10,000 kgf/m²
  • (100 cm)² = 10,000 cm² per m²

Why is this unit not used anymore?

SI adoption (1970s-1980s): Countries switched to SI units (Pa, kPa, MPa)

Problems with kgf units:

  • Ambiguity: "kg" is mass, not force (requires "kgf" clarification)
  • Gravity dependence: Assumes standard gravity (9.80665 m/s²)
  • Confusion: Easy to mistake for Pascal or mass-per-area
  • Obsolete: No modern instruments calibrated in kgf/m²

Modern replacement: Pascal (Pa) and multiples

  • 1 kgf/m² → 10 Pa (approximately)
  • 100 kgf/m² → 1 kPa
  • 1,000 kgf/m² → 10 kPa

Where still seen:

  • Very old technical manuals (pre-1980s)
  • Historical scientific papers
  • Soviet/Russian legacy documents

Should I convert old kgf/m² values?

Yes, for modern use convert to Pa or kPa

Conversion steps:

  1. Identify if unit truly kgf/m² (check context, date)
  2. Multiply by 9.807 to get Pascals
  3. Convert to appropriate modern unit (Pa, kPa, mbar)

Example:

  • Old spec: "Building pressure 5 kgf/m²"
  • Convert: 5 × 9.807 = 49 Pa ≈ 0.5 mbar
  • Modern: "Building pressure 50 Pa" or "0.5 mbar"

Watch for mislabeling: Some old documents used "kg/m²" when they meant Pa—double-check with other values in document to confirm.

Conversion Table: Atmosphere to Kilogram-force per Square Meter

Atmosphere (atm)Kilogram-force per Square Meter (kgf/m²)
0.55,166.137
110,332.275
1.515,498.412
220,664.549
551,661.373
10103,322.745
25258,306.863
50516,613.726
1001,033,227.453
2502,583,068.632
5005,166,137.264
1,00010,332,274.528

People Also Ask

How do I convert Atmosphere to Kilogram-force per Square Meter?

To convert Atmosphere to Kilogram-force per Square Meter, enter the value in Atmosphere in the calculator above. The conversion will happen automatically. Use our free online converter for instant and accurate results. You can also visit our pressure converter page to convert between other units in this category.

Learn more →

What is the conversion factor from Atmosphere to Kilogram-force per Square Meter?

The conversion factor depends on the specific relationship between Atmosphere and Kilogram-force per Square Meter. 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 Kilogram-force per Square Meter back to Atmosphere?

Yes! You can easily convert Kilogram-force per Square Meter back to Atmosphere by using the swap button (⇌) in the calculator above, or by visiting our Kilogram-force per Square Meter to Atmosphere converter page. You can also explore other pressure conversions on our category page.

Learn more →

What are common uses for Atmosphere and Kilogram-force per Square Meter?

Atmosphere and Kilogram-force per Square Meter are both standard units used in pressure measurements. They are commonly used in various applications including engineering, construction, cooking, and scientific research. Browse our pressure converter for more conversion options.

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

Helpful Conversion Guides

Learn more about unit conversion with our comprehensive guides:

📚 How to Convert Units

Step-by-step guide to unit conversion with practical examples.

🔢 Conversion Formulas

Essential formulas for pressure and other conversions.

⚖️ Metric vs Imperial

Understand the differences between measurement systems.

⚠️ Common Mistakes

Learn about frequent errors and how to avoid them.

View All Guides →

All Pressure Conversions

Pascal to KilopascalPascal to MegapascalPascal to HectopascalPascal to BarPascal to MillibarPascal to AtmospherePascal to Technical AtmospherePascal to TorrPascal to Millimeter of MercuryPascal to Inch of MercuryPascal to Pound per Square InchPascal to Kilopound per Square InchPascal to Kilogram-force per Square CentimeterPascal to Kilogram-force per Square MeterPascal to Millimeter of Water ColumnPascal to Inch of Water ColumnKilopascal to PascalKilopascal to MegapascalKilopascal to HectopascalKilopascal to BarKilopascal to MillibarKilopascal to AtmosphereKilopascal to Technical AtmosphereKilopascal to TorrKilopascal to Millimeter of MercuryKilopascal to Inch of MercuryKilopascal to Pound per Square InchKilopascal to Kilopound per Square InchKilopascal to Kilogram-force per Square CentimeterKilopascal to Kilogram-force per Square MeterKilopascal to Millimeter of Water ColumnKilopascal to Inch of Water ColumnMegapascal to PascalMegapascal to KilopascalMegapascal to HectopascalMegapascal to BarMegapascal to MillibarMegapascal to AtmosphereMegapascal to Technical AtmosphereMegapascal to TorrMegapascal to Millimeter of MercuryMegapascal to Inch of MercuryMegapascal to Pound per Square InchMegapascal to Kilopound per Square InchMegapascal to Kilogram-force per Square CentimeterMegapascal to Kilogram-force per Square MeterMegapascal to Millimeter of Water ColumnMegapascal to Inch of Water ColumnHectopascal to PascalHectopascal to KilopascalHectopascal to MegapascalHectopascal to BarHectopascal to MillibarHectopascal to AtmosphereHectopascal to Technical AtmosphereHectopascal to TorrHectopascal to Millimeter of MercuryHectopascal to Inch of MercuryHectopascal to Pound per Square InchHectopascal to Kilopound per Square InchHectopascal to Kilogram-force per Square CentimeterHectopascal to Kilogram-force per Square MeterHectopascal to Millimeter of Water ColumnHectopascal to Inch of Water ColumnBar to PascalBar to KilopascalBar to MegapascalBar to HectopascalBar to MillibarBar to AtmosphereBar to Technical AtmosphereBar to TorrBar to Millimeter of MercuryBar to Inch of MercuryBar to Pound per Square InchBar to Kilopound per Square InchBar to Kilogram-force per Square CentimeterBar to Kilogram-force per Square MeterBar to Millimeter of Water ColumnBar to Inch of Water ColumnMillibar to PascalMillibar to KilopascalMillibar to MegapascalMillibar to HectopascalMillibar to BarMillibar to AtmosphereMillibar to Technical AtmosphereMillibar to TorrMillibar to Millimeter of MercuryMillibar to Inch of MercuryMillibar to Pound per Square InchMillibar to Kilopound per Square InchMillibar to Kilogram-force per Square CentimeterMillibar to Kilogram-force per Square MeterMillibar to Millimeter of Water ColumnMillibar to Inch of Water ColumnAtmosphere to PascalAtmosphere to KilopascalAtmosphere to MegapascalAtmosphere to HectopascalAtmosphere to BarAtmosphere to MillibarAtmosphere to Technical AtmosphereAtmosphere to TorrAtmosphere to Millimeter of MercuryAtmosphere to Inch of MercuryAtmosphere to Pound per Square InchAtmosphere to Kilopound per Square InchAtmosphere to Kilogram-force per Square CentimeterAtmosphere to Millimeter of Water ColumnAtmosphere to Inch of Water ColumnTechnical Atmosphere to PascalTechnical Atmosphere to KilopascalTechnical Atmosphere to MegapascalTechnical Atmosphere to HectopascalTechnical Atmosphere to BarTechnical Atmosphere to MillibarTechnical Atmosphere to AtmosphereTechnical Atmosphere to TorrTechnical Atmosphere to Millimeter of Mercury

Other Pressure Units and Conversions

Explore other pressure units and their conversion options:

View all pressure units →

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