Foot-pounds to Kilojoules Converter

Convert foot-pounds to kilojoules instantly. One foot-pound equals 0.00135582 kilojoules, so you can type any value in ft·lbf and read the answer in…

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Convert foot-pounds to kilojoules instantly. One foot-pound equals 0.00135582 kilojoules, so you can type any value in ft·lbf and read the answer in kJ. The page also shows a conversion table and the exact formula used.

Enter your values

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Worked example

Example calculated from the starting values. Enter your own values and press Calculate to get your result.

Kilojoules0.00135582 kJ

1 ft·lbf = 0.00135582 kJ

With the default inputs (value in foot-pounds = 1 ft·lbf), the results are: kilojoules 0.00135582 kJ.

Foot-pounds to kilojoules conversion table

Reference table based on the example values; it is not your calculation result.

foot-pounds (ft·lbf)kilojoules (kJ)
10.00135582
20.00271164
50.00677909
100.0135582
250.0338954
500.0677909
1000.135582
5000.677909
1,0001.3558

Frequently asked questions

How many kilojoules are in one foot-pound?

1 foot-pound = 0.00135582 kilojoules.

What is the formula to convert foot-pounds to kilojoules?

Multiply the value in foot-pounds by 0.00135582.

How do I convert kilojoules back to foot-pounds?

1 kilojoule = 737.5621 foot-pounds.

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