Foot-Pound to Joule (ft·lb to J)
Convert ft·lb to J — Energy converter
Also written as ft-lb to J.
One foot-pound equals 1.35582 J, so to convert foot-pounds to joules you multiply the value by 1.35582. A foot-pound is larger than a joule — going the other way, 1 J = 0.73756103 ft·lb. For example, 10 ft·lb = 13.5582 J and 50 ft·lb = 67.791 J.
1.35582Click to copy
1 ft·lb = 1.35582 J
Foot-Pound to Joule formula
1 Foot-Pound = 1.35582 J
Worked examples
- 25 ft·lb = 33.8955 J
- 100 ft·lb = 135.582 J
Foot-Pound to Joule conversion table
| Foot-Pound (ft·lb) | Joule (J) |
|---|---|
| 1 | 1.35582 |
| 2 | 2.71164 |
| 3 | 4.06746 |
| 5 | 6.7791 |
| 8 | 10.84656 |
| 10 | 13.5582 |
| 12 | 16.26984 |
| 15 | 20.3373 |
| 20 | 27.1164 |
| 25 | 33.8955 |
| 50 | 67.791 |
| 100 | 135.582 |
| 250 | 338.955 |
| 500 | 677.91 |
| 1000 | 1355.82 |
Frequently asked questions
How many joules are in one foot-pound?
One foot-pound equals 1.35582 joules (J).
How many foot-pounds are in one joule?
One joule equals 0.73756103 foot-pounds (ft·lb).
How do you convert foot-pounds to joules?
1 Foot-Pound = 1.35582 J. Use the calculator above for any value.
What is 5 ft·lb in J?
5 ft·lb = 6.7791 J.
What is 100 ft·lb in J?
100 ft·lb = 135.582 J.
What is 10 ft·lb in J?
10 ft·lb = 13.5582 J.
What is 20 ft·lb in J?
20 ft·lb = 27.1164 J.
Is a foot-pound bigger than a joule?
Yes. A foot-pound is larger — one foot-pound equals 1.35582 joules (J).