kgf
kilogram-force
Forceexact by definition
The kilogram-force, also called the kilopond, is the weight of one kilogram under standard gravity, exactly 9.80665 newtons. The value is exact because standard gravity is a defined constant. It is deprecated in the SI but persists in older European machinery, tyre pressure and torque specifications.
Watch out: A tyre pressure or a boiler rating quoted in kg/cm² almost always means kgf/cm², which is 98066.5 Pa, close to but not equal to one bar or one atmosphere. Treating kg/cm² as bar introduces a 2 percent error, which is usually tolerable for a tyre and not tolerable for a pressure vessel.
| 1 kgf | 9.80665 N |
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