Definition:SI/Force/Kilogram Force

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Definition

The kilogram force is an SI unit of force.


It is defined as being:

The gravitational force exerted on a mass of one kilogram on the surface of Earth.

In this context, the value of the standard acceleration due to gravity is used, taken to be $9.80665 \, \mathrm m \, \mathrm s^{-2}$.


Conversion Factors

\(\ds \) \(\) \(\ds 1\) kilogram force
\(\ds \) \(=\) \(\ds 9 \cdotp 80665\) newtons
\(\ds \) \(\approx\) \(\ds 2 \cdotp 205\) pounds force


Symbol

$\mathrm {kgf}$

The symbol for the kilogram force is $\mathrm {kgf}$.


The $\LaTeX$ code for \(\mathrm {kgf}\) is \mathrm {kgf} .


Also known as

Some sources hyphenate: kilogram-force.

The kilogram force is also known as the kilopond.


Linguistic Note on Kilo

The prefix kilo- derives from the Greek word χίλιοι (khilioi), which means thousand.


Sources