Pound (force)

The pound of force or pound-force (symbol: lbf, sometimes lbf,) is a unit of force used in some systems of measurement, including English Engineering units and the foot–pound–second system.

Look up pound-force or pound in Wiktionary, the free dictionary.
"lbf" redirects here. For the airport in Nebraska, see LBF (airport).
For other uses, see Pound (disambiguation).
Pound-force
Unit systemEnglish Engineering units, British Gravitational System
Symbollbf
Conversions
1 lbf in ...... is equal to ...
   SI units   4.448222 N
   CGS units   444,822.2 dyn
   Absolute English System   32.17405 pdl

Pound-force should not be confused with pound-mass (lb), often simply called "pound", which is a unit of mass; nor should these be confused with foot-pound (ft⋅lbf), a unit of energy, or pound-foot (lbf⋅ft), a unit of torque.

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