# Foot-pound force conversions

The foot-pound force conversion selector above selects the energy measurement unit to convert to starting from foot-pounds force (ft lbf). To make a conversion starting from a unit of energy other than foot-pound force, simply click on the "Reset" button.

## About foot-pound force

The **foot-pound force** is a unit of energy or work equal to 1.3558179 joules (1 ft-lbf = 1.3558179 J), the SI derived unit of energy.

The foot-pound force (ft-lbf) is also equal to 1.3558179 × 10^{9} nanojoules (nJ), or 0.0013558179 kilojoules (kJ), or 1.3558179 × 10^{7} ergs (erg), or 32.1740474 foot-poundal (ft-pdl) or 12 inch-pound force (in-lbf).

The foot-pound force is the work done when a force of one pound-force acts over a distance of one foot.

1 ft-lbf = 1 lbf × 1 ft

The pound-force (lbf) is a unit of force while the foot (ft) is a unit of length.

Symbol: ft-lbf

Plural: foot-pounds force

Also known as: foot-pound (plural: foot-pounds, abbreviation: ft-lb, ft lb)