The Kilogram-force reference article from the English Wikipedia on 24-Jul-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Kilogram-force

The unit kilogram-force is the force exerted by one kilogram of mass in standard Earth gravity (9.80665 m/s²). One kilogram-force is equal to exactly 9.80665 newtons. The unit is abbreviated kgf.

Since the 1960's, it has not been an official metric unit, the official unit of force is the newton according to the SI website:
http://www1.bipm.org/en/si/si_brochure/chapter2/2-2/2-2-2.html

This is the "Kilogram-force" reference article from the English Wikipedia. All text is available under the terms of the GNU Free Documentation License. See also our Disclaimer.