kilogram-force
Sign in to saveAlso known as kgf, kp, kilopond, kg-f, kg-w, kg force, kilogram weight, kilogram force
The kilogram-force (kgf or kgF), or kilopond (kp, from ), is a non-standard gravitational metric unit of force. It is not accepted for use with the International System of Units (SI) and is deprecated for most uses. The kilogram-force is equal to the magnitude of the force exerted on one kilogram of mass in a gravitational field (standard gravity, a conventional value approximating the average magnitude of gravity on Earth). That is, it is the weight of a kilogram under standard gravity. One kilogram-force is defined as . Similarly, a gram-force is , and a milligram-force is .
Key facts
- Unit.name
- kilogram-force
- Unit.standard
- Gravitational metric system
- Unit.quantity
- Force
- Unit.symbol
- kgf
- Unit.units1
- SI units
- Unit.units2
- CGS units
- Unit.units3
- British Gravitational units
- Unit.units4
- Absolute English units
via Wikipedia infobox
Wikidata facts
Show 3 more facts
- conversion to SI unit
- 9.80665
- unit symbol
- кГ
- Wikidata SPARQL query equivalent
- wd:Q216880 p:P2370/psn:P2370 [wikibase:quantityAmount ?source; wikibase:quantityUnit ?base]. ?item p:P2370/psn:P2370 [wikibase:quantityAmount ?target; wikibase:quantityUnit ?base]. BIND(?source / ?target as ?value)
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Article
4 sectionsContents
- History
- Related units
- See also
- References
The kilogram-force (kgf or kgF), or kilopond (kp, from ), is a non-standard gravitational metric unit of force. It is not accepted for use with the International System of Units (SI) and is deprecated for most uses. The kilogram-force is equal to the magnitude of the force exerted on one kilogram of mass in a gravitational field (standard gravity, a conventional value approximating the average magnitude of gravity on Earth). That is, it is the weight of a kilogram under standard gravity. One kilogram-force is defined as . Similarly, a gram-force is , and a milligram-force is .
==History== The gram-force and kilogram-force were never well-defined units until the CGPM adopted a standard acceleration of gravity of 9.80665 m/s2 for this purpose in 1901, though they had been used in low-precision measurements of force before that time. Even then, the proposal to define kilogram-force as a standard unit of force was explicitly rejected. Instead, the newton was proposed in 1913 and accepted in 1948. The kilogram-force has never been a part of the International System of Units (SI), which was introduced in 1960. The SI unit of force is the newton.