Foot-Pound to Kilojoule (ft·lb to kJ)

Convert ft·lb to kJEnergy converter

Also written as ft-lb to kJ.

One foot-pound equals 0.00135582 kJ, so to convert foot-pounds to kilojoules you multiply the value by 0.00135582. A foot-pound is smaller than a kilojoule — going the other way, 1 kJ = 737.561033 ft·lb. For example, 10 ft·lb = 0.0135582 kJ and 50 ft·lb = 0.067791 kJ.

0.00135582Click to copy

1 ft·lb = 0.00135582 kJ

Foot-Pound to Kilojoule formula

1 Foot-Pound = 0.00135582 kJ

Worked examples

  • 25 ft·lb = 0.0338955 kJ
  • 100 ft·lb = 0.135582 kJ

Foot-Pound to Kilojoule conversion table

Foot-Pound (ft·lb)Kilojoule (kJ)
10.00135582
20.00271164
30.00406746
50.0067791
80.01084656
100.0135582
120.01626984
150.0203373
200.0271164
250.0338955
500.067791
1000.135582
2500.338955
5000.67791
10001.35582

Frequently asked questions

How many kilojoules are in one foot-pound?

One foot-pound equals 0.00135582 kilojoules (kJ).

How many foot-pounds are in one kilojoule?

One kilojoule equals 737.561033 foot-pounds (ft·lb).

How do you convert foot-pounds to kilojoules?

1 Foot-Pound = 0.00135582 kJ. Use the calculator above for any value.

What is 5 ft·lb in kJ?

5 ft·lb = 0.0067791 kJ.

What is 100 ft·lb in kJ?

100 ft·lb = 0.135582 kJ.

What is 10 ft·lb in kJ?

10 ft·lb = 0.0135582 kJ.

What is 20 ft·lb in kJ?

20 ft·lb = 0.0271164 kJ.

Is a foot-pound bigger than a kilojoule?

No. A foot-pound is smaller — one foot-pound equals 0.00135582 kilojoules, while one kilojoule equals 737.561033 foot-pounds.

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