Foot-pound (energy)

The foot-pound or foot- pound force is a British and U.S. unit, both the power and the torque ( there also pound- foot). The unit symbol is ft · lb ft · lbf or even lbf · ft.

A foot-pound is exactly 1.355 817 948 331 400 4 J ( Joule) and corresponds to the energy to lift a body having a mass of one pound to a foot against the pull of gravity has to be applied:

550 foot- pounds per second correspond to a HP ( 763 watts).

  • Anglo-American unity
  • Unit of energy
Pound (mass) Gravitational acceleration
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