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Convert Atmospheres to Kilogram-force per Square Centimeters

Instantly convert Atmospheres (atm) to Kilogram-force per Square Centimeters (kgf/cm²) with our free online calculator.

Reviewed by Christopher FloiedUpdated

Formula: atm to kgf/cm²multiply by 1.03323

Reference Table

Atmospheres (atm)Kilogram-force per Square Centimeters (kgf/cm²)
11.03323
55.16614
1010.3323
2525.8307
5051.6614
100103.323

How to Convert Atmospheres to Kilogram-force per Square Centimeters

Formula

To convert Atmospheres (atm) to Kilogram-force per Square Centimeters (kgf/cm²): multiply by 1.03323

Step-by-Step

  1. Start with your value in Atmospheres (atm).
  2. Multiply by 1.03323 to perform the conversion.
  3. The result is your value expressed in Kilogram-force per Square Centimeters (kgf/cm²).

Conversion Factor

1 atm = 1.03323 kgf/cm²

Reverse Factor

1 kgf/cm² = 0.967841 atm

Worked Example

Convert 25 Atmospheres to Kilogram-force per Square Centimeters: 25 atm = 25.8307 kgf/cm²

About Atmosphere (atm)

A non-SI unit of pressure defined as exactly 101,325 pascals, corresponding to the standard sea-level atmospheric pressure as adopted by ISO 2533 and the BIPM SI Brochure. Atmospheres are the default reference pressure in physical chemistry (Standard Temperature and Pressure conventions: 1 atm at 273.15 K under IUPAC's 'STP' definition, though IUPAC has since moved to 1 bar STP), in commercial diving (depths are quoted in atmospheres absolute, with each 10 m of seawater adding ~1 atm), and in pressure-sensitive materials research where vapor pressure and saturation data are tabulated at 1 atm. A common pitfall: the "technical atmosphere" (at, 98,066.5 Pa = 1 kgf/cm²) used in some legacy European and Japanese engineering is NOT the same as the standard atmosphere — older pressure-vessel drawings can read 100 at and mean either depending on context. 1 atm = 1.01325 bar = 14.696 psi = 760 mmHg = 760 torr.

About Kilogram-force per Square Centimeter (kgf/cm²)

A legacy metric unit of pressure equal to one kilogram-force applied over one square centimeter, formally defined as exactly 98,066.5 Pa (using the standard acceleration of gravity g₀ = 9.80665 m/s² per CIPM Resolution 2, 1901). This is the "technical atmosphere" (symbol at) and is roughly equivalent to one standard atmosphere or one bar — but not exactly. Although superseded by SI-proper units (pascal, megapascal) under ISO 80000-4, kgf/cm² persists on industrial gauges in Japan, Korea, and parts of Eastern Europe; on older industrial machinery; on legacy pressure-vessel drawings (where the implicit assumption of g = 9.80665 m/s² matters); on tire-pressure data tables in some markets; and in older engineering textbooks. Engineers updating legacy documentation should be careful: the technical atmosphere (98,066.5 Pa) is NOT the same as the standard atmosphere (101,325 Pa). Converting kgf/cm² to MPa is divide by 10.197 (a clean approximation: ÷10.2); to psi is multiply by 14.223.

Quick Facts

  • 1 Atmosphere equals 1.03323 Kilogram-force per Square Centimeters
  • 1 Kilogram-force per Square Centimeter equals 0.967841 Atmospheres
  • Atmosphere is a unit of pressure
  • Kilogram-force per Square Centimeter is a unit of pressure
  • This conversion is commonly used in tire inflation, weather reporting, scuba diving, and engineering
  • The Kilogram-force per Square Centimeter belongs to the metric system

Common Atmosphere to Kilogram-force per Square Centimeter Conversions

Atmospheres (atm)Kilogram-force per Square Centimeters (kgf/cm²)
0.10.103323
0.50.516614
11.03323
22.06645
55.16614
1010.3323
14.69615.1843
1515.4984
2020.6645
2525.8307
5051.6614
100103.323
150154.984
200206.645
500516.614
10001033.23

Understanding Atmospheres

The Atmosphere (symbol: atm) is a unit of pressure. A non-SI unit of pressure defined as exactly 101,325 pascals, corresponding to the standard sea-level atmospheric pressure as adopted by ISO 2533 and the BIPM SI Brochure. Atmospheres are the default reference pressure in physical chemistry (Standard Temperature and Pressure conventions: 1 atm at 273.15 K under IUPAC's 'STP' definition, though IUPAC has since moved to 1 bar STP), in commercial diving (depths are quoted in atmospheres absolute, with each 10 m of seawater adding ~1 atm), and in pressure-sensitive materials research where vapor pressure and saturation data are tabulated at 1 atm. A common pitfall: the "technical atmosphere" (at, 98,066.5 Pa = 1 kgf/cm²) used in some legacy European and Japanese engineering is NOT the same as the standard atmosphere — older pressure-vessel drawings can read 100 at and mean either depending on context. 1 atm = 1.01325 bar = 14.696 psi = 760 mmHg = 760 torr.

Atmospheres are commonly used in tire inflation, weather reporting, scuba diving, and engineering.

Understanding Kilogram-force per Square Centimeters

The Kilogram-force per Square Centimeter (symbol: kgf/cm²) is a unit of pressure. A legacy metric unit of pressure equal to one kilogram-force applied over one square centimeter, formally defined as exactly 98,066.5 Pa (using the standard acceleration of gravity g₀ = 9.80665 m/s² per CIPM Resolution 2, 1901). This is the "technical atmosphere" (symbol at) and is roughly equivalent to one standard atmosphere or one bar — but not exactly. Although superseded by SI-proper units (pascal, megapascal) under ISO 80000-4, kgf/cm² persists on industrial gauges in Japan, Korea, and parts of Eastern Europe; on older industrial machinery; on legacy pressure-vessel drawings (where the implicit assumption of g = 9.80665 m/s² matters); on tire-pressure data tables in some markets; and in older engineering textbooks. Engineers updating legacy documentation should be careful: the technical atmosphere (98,066.5 Pa) is NOT the same as the standard atmosphere (101,325 Pa). Converting kgf/cm² to MPa is divide by 10.197 (a clean approximation: ÷10.2); to psi is multiply by 14.223.

It belongs to the metric measurement system.

Kilogram-force per Square Centimeters are commonly used in tire inflation, weather reporting, scuba diving, and engineering.

Why Convert Atmospheres to Kilogram-force per Square Centimeters?

Engineers, mechanics, and scientists frequently need to convert pressure between Atmospheres and Kilogram-force per Square Centimeters when working with different measurement standards. Tire pressure, blood pressure readings, weather barometric measurements, and industrial process specifications may all use different pressure units depending on the region or discipline. Reliable conversion prevents equipment misuse and ensures safety.

Frequently Asked Questions

How do I convert Atmospheres to Kilogram-force per Square Centimeters?

A non-SI unit of pressure defined as exactly 101,325 pascals, corresponding to the standard sea-level atmospheric pressure as adopted by ISO 2533 and the BIPM SI Brochure. To convert Atmospheres to Kilogram-force per Square Centimeters, multiply by 1.03323. For example, 25 atm equals 25.8307 kgf/cm².

How many Kilogram-force per Square Centimeters are in 1 Atmosphere?

There are 1.03323 Kilogram-force per Square Centimeters in 1 Atmosphere.

How many Atmospheres are in 1 Kilogram-force per Square Centimeter?

There are 0.967841 Atmospheres in 1 Kilogram-force per Square Centimeter.

What is the formula for Atmosphere to Kilogram-force per Square Centimeter conversion?

The formula is: multiply by 1.03323. This means 1 atm = 1.03323 kgf/cm².

Is a Atmosphere bigger than a Kilogram-force per Square Centimeter?

No. One Atmosphere is smaller than one Kilogram-force per Square Centimeter because 1 atm equals 1.03323 kgf/cm², which is greater than 1.

When do you need to convert between Atmospheres and Kilogram-force per Square Centimeters?

A legacy metric unit of pressure equal to one kilogram-force applied over one square centimeter, formally defined as exactly 98,066. Atmosphere and Kilogram-force per Square Centimeter are both pressure units, so conversion comes up whenever one source of information uses one unit and another uses the other — a classic cross-reference challenge in engineering, trade, travel, and everyday life.

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