Kilojoules to Foot-pounds converter

To convert kilojoules to foot-pounds, enter the value in the first field. The result in foot-pounds is calculated automatically using the exact conversion factor.

1 kJ ≈ 737.562149277 ft·lbf
1 ft·lbf ≈ 0.00135581794833 kJ

Formula: ft·lbf ≈ kJ × 737.562149277
kJ ≈ ft·lbf × 0.00135581794833

Definitions: 1 kJ = 1000 J; 1 ft·lbf = 1.35581794833 J

The kilojoule (kJ) is 1,000 joules. It is used for food energy on nutrition labels in Australia, New Zealand and Europe, often next to kcal, and for reaction energies in chemistry.

The foot-pound (ft·lbf) is the work done by a force of one pound-force over a distance of one foot, about 1.356 joules. It is used in the United States for the muzzle energy of ammunition and for impact energy, and it should not be confused with the pound-foot, a unit of torque.

See the conversion table with commonly used values, handy for quick reference or study.