Foot-pounds to Joules Converter
Convert foot-pounds to joules instantly. One foot-pound equals 1.3558 joules, so you can type any value in ft·lbf and read the answer in J. The page…
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Convert foot-pounds to joules instantly. One foot-pound equals 1.3558 joules, so you can type any value in ft·lbf and read the answer in J. The page also shows a conversion table and the exact formula used.
Worked example
Example calculated from the starting values. Enter your own values and press Calculate to get your result.
1 ft·lbf = 1.3558 J
With the default inputs (value in foot-pounds = 1 ft·lbf), the results are: joules 1.3558 J.
Foot-pounds to joules conversion table
Reference table based on the example values; it is not your calculation result.
| foot-pounds (ft·lbf) | joules (J) |
|---|---|
| 1 | 1.3558 |
| 2 | 2.7116 |
| 5 | 6.7791 |
| 10 | 13.5582 |
| 25 | 33.8954 |
| 50 | 67.7909 |
| 100 | 135.5818 |
| 500 | 677.909 |
| 1,000 | 1,355.82 |
Frequently asked questions
How many joules are in one foot-pound?
1 foot-pound = 1.3558 joules.
What is the formula to convert foot-pounds to joules?
Multiply the value in foot-pounds by 1.3558.
How do I convert joules back to foot-pounds?
1 joule = 0.737562 foot-pounds.
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