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Convert foot pounds to kilojoules

Foot-pounds to kilojoules. Enter a value to convert, or use the foot pounds to kilojoules chart further down the page.

1 ft·lb = 0.001355817948 kJ

1 foot-pound equals 0.001355817948 kilojoules. Going the other way, 1 kilojoule = 737.5621493 foot-pounds.

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Check this before you rely on it. This converter is provided free and without warranty, and its results are not professional advice.

How to convert foot pounds to kilojoules

To convert foot-pounds to kilojoules, multiply the foot-pound value by 0.001355817948. You can also divide by 737.5621493 to get the same answer.

kJ = ft·lb × 0.001355817948

Worked example

Convert 15 ft·lb to kilojoules:

15 ft·lb = 0.02033726922 kJ

foot pounds to kilojoules conversion chart

Use this foot pounds to kilojoules table for quick reference without typing anything.

foot pounds to kilojoules conversion table
foot-pounds (ft·lb)kilojoules (kJ)
0.01 ft·lb0.00001355817948 kJ
0.1 ft·lb0.0001355817948 kJ
1 ft·lb0.001355817948 kJ
2 ft·lb0.002711635897 kJ
3 ft·lb0.004067453845 kJ
5 ft·lb0.006779089742 kJ
10 ft·lb0.01355817948 kJ
20 ft·lb0.02711635897 kJ
50 ft·lb0.06779089742 kJ
100 ft·lb0.1355817948 kJ
1,000 ft·lb1.355817948 kJ

What is a foot-pound?

A foot-pound is the work done moving one pound-force through one foot: about 1.356 joules. The same name is also used for torque, where the newton-metre is the metric equivalent.

What is a kilojoule?

The kilojoule is 1,000 joules and is the food-energy unit on nutrition labels outside the United States.

Frequently asked questions

How many kilojoules are in a foot-pound?

1 foot pounds equals 0.001355817948 kilojoules. Going the other way, 1 kilojoules is 737.5621493 foot pounds.

How do you convert foot pounds to kilojoules?

To convert foot-pounds to kilojoules, multiply the foot-pound value by 0.001355817948. You can also divide by 737.5621493 to get the same answer.

What is 10 foot pounds in kilojoules?

10 foot pounds equals 0.01355817948 kilojoules. The conversion chart on this page lists the other values people look up most often.

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