Pound-force
Unit of force
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The pound of force or pound-force is a unit of force used in some systems of measurement, including English Engineering units and the foot–pound–second system. Wikipedia
1 lbf in: is equal to
Absolute English System: 32.17405 pdl
SI units: 4.448222 N
Symbol: lbf
Unit system: English Engineering units, British Gravitational System