Convert Bar to Kilograms-force per Square Millimetre
1 bar = 0.01019716213 kilograms-force per square millimetre (kgf/mm²). 1 kgf/mm² = 98.0665 bar. Example: 15 bar = 15 × 0.01019716213 = 0.1529574319 kgf/mm².
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1 bar = 0.01019716213 kgf/mm²
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk bar to kilogram-force per square millimetre converter to paste a column from Excel.
How to Convert Bar to Kilogram-force per Square Millimetre
- 1 bar = 0.01019716213 kgf/mm²
- 1 kgf/mm² = 98.0665 bar
- Example: convert 15 bar to kgf/mm²: 15 bar = 15 × 0.01019716213 kgf/mm² = 0.1529574319 kgf/mm²
Formula
kgf/mm² = bar × 0.01019716212978
or kgf/mm² = bar ÷ 98.0665
Derivation from SI units:
- 1 bar = 10⁵ Pa (exact, by definition)
- 1 kgf/mm² = 9.80665 N ÷ 1 mm² = 9.80665 MPa (exact)
- 1 bar = 100000 Pa ÷ 9806650 Pa per kgf/mm² = 0.01019716212978 kgf/mm²
Both units are defined exactly, so the factor is exact. Bar definition: bar; Kilogram-force per Square Millimetre definition: kilogram-force per square millimetre.
Worked examples
- A reading of 2 bar converts to 0.02039432426 kgf/mm².
2 bar × 0.01019716213 = 0.02039432426 kgf/mm² - A value of 10 bar is 0.1019716213 kgf/mm².
10 bar × 0.01019716213 = 0.1019716213 kgf/mm²
Bar to Kilogram-force per Square Millimetre conversion table
| Bar | Kilograms-force per Square Millimetre (kgf/mm²) |
|---|---|
| 0.01 bar | 0.0001019716213 kgf/mm² |
| 0.05 bar | 0.0005098581065 kgf/mm² |
| 0.1 bar | 0.001019716213 kgf/mm² |
| 0.25 bar | 0.002549290532 kgf/mm² |
| 0.5 bar | 0.005098581065 kgf/mm² |
| 1 bar | 0.01019716213 kgf/mm² |
| 1.01325 bar | 0.01033227453 kgf/mm² |
| 1.5 bar | 0.01529574319 kgf/mm² |
| 2 bar | 0.02039432426 kgf/mm² |
| 2.5 bar | 0.02549290532 kgf/mm² |
| 3 bar | 0.03059148639 kgf/mm² |
| 4 bar | 0.04078864852 kgf/mm² |
| 5 bar | 0.05098581065 kgf/mm² |
| 6 bar | 0.06118297278 kgf/mm² |
| 7 bar | 0.07138013491 kgf/mm² |
| 8 bar | 0.08157729704 kgf/mm² |
| 10 bar | 0.1019716213 kgf/mm² |
| 12 bar | 0.1223659456 kgf/mm² |
| 16 bar | 0.1631545941 kgf/mm² |
| 20 bar | 0.2039432426 kgf/mm² |
| 25 bar | 0.2549290532 kgf/mm² |
| 40 bar | 0.4078864852 kgf/mm² |
| 100 bar | 1.019716213 kgf/mm² |
| 200 bar | 2.039432426 kgf/mm² |
| 300 bar | 3.059148639 kgf/mm² |
Where it's used
Bar are used for compressed air and pneumatics (6–8 bar), 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.
Bar to other pressure units
| Conversion | 1 bar equals |
|---|---|
| bar to kilogram-force per square millimetre | 0.01019716213 kgf/mm² |
| bar to pascal | 100000 Pa |
| bar to kilopascal | 100 kPa |
| bar to ksi | 0.01450377377 ksi |
| bar to kilogram-force per square centimetre | 1.019716213 kgf/cm² |
| bar to psi | 14.50377377 psi |
| bar to millimeter of mercury | 750.0615758 mmHg |
| bar to inch of water | 401.463076 inH₂O |
Show 12 more units
| bar to atmosphere | 0.9869232667 atm |
|---|---|
| bar to megapascal | 0.1 MPa |
| bar to gigapascal | 0.0001 GPa |
| bar to newton per square millimetre | 0.1 N/mm² |
| bar to millibar | 1000 mbar |
| bar to torr | 750.0616827 Torr |
| bar to millimeter of water | 10197.16213 mmH₂O |
| bar to centimeter of water | 1019.716213 cmH₂O |
| bar to inch of mercury | 29.5299833 inHg |
| bar to decibar | 10 dbar |
| bar to inch of water (60 °F) | 401.864652 inH₂O (60 °F) |
| bar to barye | 1000000 Ba |
Frequently asked questions
How many kilograms-force per square millimetre are in 1 bar?
1 bar = 0.01019716213 kgf/mm².
How do I convert bar to kilograms-force per square millimetre?
Multiply the value in bar by 0.01019716213, or divide it by 98.0665. For example, 15 bar × 0.01019716213 = 0.1529574319 kgf/mm².
Is the bar 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, "bar".
- 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 Bar to Kilograms-force per Square Millimetre. Retrieved October 25, 2026, from https://scientificconverters.com/pressure/bar-to-kilogram-force-per-square-millimeter/
IEEE
Scientific Converters, "Convert Bar to Kilograms-force per Square Millimetre," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/pressure/bar-to-kilogram-force-per-square-millimeter/