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foot-pound to joule

Live foot-pound (ft·lb) to joule (J) converter. Plus a 10-value reference table and FAQs.

foot-pound
joule
1 ft·lb = 1.3558J

Conversion table

Ten sample values from foot-pound to joule. Use the converter above for arbitrary values.

foot-pound (ft·lb)→joule (J)
0.001 ft·lb → 0.001356 J
0.01 ft·lb → 0.013558 J
0.1 ft·lb → 0.135582 J
0.5 ft·lb → 0.677909 J
1 ft·lb → 1.355818 J
2 ft·lb → 2.711636 J
5 ft·lb → 6.77909 J
10 ft·lb → 13.558179 J
100 ft·lb → 135.581795 J
1,000 ft·lb → 1,355.817948 J

About the foot-pound

Energy to lift 1 lb by 1 ft. Torque, firearms.

About the joule

SI unit of energy. 1 N·m.

Frequently asked questions

Frequently Asked Questions

How do I convert foot-pound to joule?

Multiply the foot-pound value by 1.355818 to get it in joule. For example, 10 ft·lb = 13.5582 J.

What is 1 ft·lb in J?

1 ft·lb = 1.355818 J.

What is 100 ft·lb in J?

100 ft·lb = 135.5818 J.

What is the formula?

Linear: multiply by 1.355818 (the unit factor ratio).

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Keep exploring

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Convert the other direction

Use the reverse converter: joule → foot-pound

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Free-form calculator that handles any pair in any category.