How many kilojoules are in a foot-pound?

One foot-pound equals 0.0013558179 kilojoules.

How do I convert foot-pounds to kilojoules by hand?

Multiply the number of foot-pounds by 0.0013558179. For a rough check, 0.001 is close enough for most everyday use.

1 foot-pound is 0.00135582 kilojoules.

1 ft·lb = 0.00135582 kJ. Change the amount below, or read the formula and the reference table further down.

From

1 foot-pound equals

0.00135582kilojoules

1 ft·lb = 0.00135582 kJ

Foot-pounds and kilojoules both measure energy from the same zero, so a single multiplier does the job.

kJ = ft·lb × 0.0013558179

Common values, rounded for reading.

How many kilojoules are in a foot-pound?: One foot-pound equals 0.0013558179 kilojoules.
How do I convert foot-pounds to kilojoules by hand?: Multiply the number of foot-pounds by 0.0013558179. For a rough check, 0.001 is close enough for most everyday use.
What is 1 foot-pound in kilojoules?: 1 foot-pound is 0.00135582 kilojoules.

Calcuit generates this page from a unit table, so the factors here match every other page on the site.