Convert Atmospheres to Kilograms-force per Square Millimetre
1 atmosphere (atm) = 0.01033227453 kilograms-force per square millimetre (kgf/mm²). 1 kgf/mm² = 96.78411054 atm. Example: 15 atm = 15 × 0.01033227453 = 0.1549841179 kgf/mm².
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1 atm = 0.01033227453 kgf/mm²
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk atmosphere to kilogram-force per square millimetre converter to paste a column from Excel.
How to Convert Atmosphere to Kilogram-force per Square Millimetre
- 1 atm = 0.01033227453 kgf/mm²
- 1 kgf/mm² = 96.78411054 atm
- Example: convert 15 atm to kgf/mm²: 15 atm = 15 × 0.01033227453 kgf/mm² = 0.1549841179 kgf/mm²
Formula
kgf/mm² = atm × 0.010332274528
or kgf/mm² = atm ÷ 96.78411053541
Derivation from SI units:
- 1 atm = 101 325 Pa (exact, by definition)
- 1 kgf/mm² = 9.80665 N ÷ 1 mm² = 9.80665 MPa (exact)
- 1 atm = 101325 Pa ÷ 9806650 Pa per kgf/mm² = 0.010332274528 kgf/mm²
Both units are defined exactly, so the factor is exact. Atmosphere definition: atmosphere; Kilogram-force per Square Millimetre definition: kilogram-force per square millimetre.
Worked examples
- A reading of 1.5 atm converts to 0.01549841179 kgf/mm².
1.5 atm × 0.01033227453 = 0.01549841179 kgf/mm² - A value of 10 atm is 0.1033227453 kgf/mm².
10 atm × 0.01033227453 = 0.1033227453 kgf/mm²
Atmosphere to Kilogram-force per Square Millimetre conversion table
| Atmospheres (atm) | Kilograms-force per Square Millimetre (kgf/mm²) |
|---|---|
| 0.001 atm | 0.00001033227453 kgf/mm² |
| 0.01 atm | 0.0001033227453 kgf/mm² |
| 0.1 atm | 0.001033227453 kgf/mm² |
| 0.25 atm | 0.002583068632 kgf/mm² |
| 0.5 atm | 0.005166137264 kgf/mm² |
| 1 atm | 0.01033227453 kgf/mm² |
| 1.5 atm | 0.01549841179 kgf/mm² |
| 2 atm | 0.02066454906 kgf/mm² |
| 2.5 atm | 0.02583068632 kgf/mm² |
| 3 atm | 0.03099682358 kgf/mm² |
| 4 atm | 0.04132909811 kgf/mm² |
| 5 atm | 0.05166137264 kgf/mm² |
| 10 atm | 0.1033227453 kgf/mm² |
| 20 atm | 0.2066454906 kgf/mm² |
| 50 atm | 0.5166137264 kgf/mm² |
| 100 atm | 1.033227453 kgf/mm² |
| 200 atm | 2.066454906 kgf/mm² |
| 300 atm | 3.099682358 kgf/mm² |
| 1000 atm | 10.33227453 kgf/mm² |
Where it's used
Atmospheres are used for chemistry and gas laws (STP and NTP conditions), while kilograms-force per square millimetre appear in tensile strength in older JIS and GB steel standards. Both measure pressure, stress and differential pressure (force per unit area), so the conversion is a fixed factor.
Atmosphere to other pressure units
| Conversion | 1 atm equals |
|---|---|
| atmosphere to kilogram-force per square millimetre | 0.01033227453 kgf/mm² |
| atmosphere to pascal | 101325 Pa |
| atmosphere to kilopascal | 101.325 kPa |
| atmosphere to ksi | 0.01469594878 ksi |
| atmosphere to kilogram-force per square centimetre | 1.033227453 kgf/cm² |
| atmosphere to psi | 14.69594878 psi |
| atmosphere to bar | 1.01325 bar |
| atmosphere to millimeter of mercury | 759.9998917 mmHg |
Show 12 more units
| atmosphere to inch of water | 406.7824617 inH₂O |
|---|---|
| atmosphere to megapascal | 0.101325 MPa |
| atmosphere to gigapascal | 0.000101325 GPa |
| atmosphere to newton per square millimetre | 0.101325 N/mm² |
| atmosphere to millibar | 1013.25 mbar |
| atmosphere to torr | 760 Torr |
| atmosphere to millimeter of water | 10332.27453 mmH₂O |
| atmosphere to centimeter of water | 1033.227453 cmH₂O |
| atmosphere to inch of mercury | 29.92125558 inHg |
| atmosphere to decibar | 10.1325 dbar |
| atmosphere to inch of water (60 °F) | 407.1893586 inH₂O (60 °F) |
| atmosphere to barye | 1013250 Ba |
Frequently asked questions
How many kilograms-force per square millimetre are in 1 atmosphere?
1 atm = 0.01033227453 kgf/mm².
How do I convert atmospheres to kilograms-force per square millimetre?
Multiply the value in atm by 0.01033227453, or divide it by 96.78411054. For example, 15 atm × 0.01033227453 = 0.1549841179 kgf/mm².
Is the atm to kgf/mm² conversion exact?
Yes. Both units are defined exactly, so the ratio is exact; its decimal form does not terminate and is shown here to 10 significant figures (more with the precision selector).
Sources
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "atmosphere, standard (atm)".
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "kilogram-force per square millimeter".
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Atmospheres to Kilograms-force per Square Millimetre. Retrieved October 25, 2026, from https://scientificconverters.com/pressure/atmosphere-to-kilogram-force-per-square-millimeter/
IEEE
Scientific Converters, "Convert Atmospheres to Kilograms-force per Square Millimetre," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/pressure/atmosphere-to-kilogram-force-per-square-millimeter/