Foot-pounds to kilojoules converter
Kilojoules (kJ)
1 foot-pound = 0.001355817948 kilojoules
How to convert foot-pounds to kilojoules
kJ = ft·lbf × 0.00135581794833
Multiply the number of foot-pounds by 0.00135581794833 to get kilojoules. Going the other way, divide by 0.00135581794833 (or multiply by 737.562149277).
One foot-pound is exactly defined as 0.00135581794833 kilojoules (to 12 significant figures), and one kilojoule is 737.562149277 foot-pounds.
Worked examples
- Convert 5 foot-pounds: 5 × 0.00135581794833 = 0.006779089742 0.006779089742 kilojoules.
- Convert 12.5 foot-pounds: 12.5 × 0.00135581794833 = 0.01694772435 0.01694772435 kilojoules.
- Convert 250 foot-pounds: 250 × 0.00135581794833 = 0.3389544871 0.3389544871 kilojoules.
Quick-reference table
| ft·lbf | kJ |
|---|---|
| 1 | 0.001355817948 |
| 2 | 0.002711635897 |
| 3 | 0.004067453845 |
| 5 | 0.006779089742 |
| 10 | 0.01355817948 |
| 15 | 0.02033726922 |
| 20 | 0.02711635897 |
| 25 | 0.03389544871 |
| 50 | 0.06779089742 |
| 75 | 0.1016863461 |
| 100 | 0.1355817948 |
| 1,000 | 1.355817948 |
| kJ | ft·lbf |
|---|---|
| 1 | 737.5621493 |
| 2 | 1,475.124299 |
| 3 | 2,212.686448 |
| 5 | 3,687.810746 |
| 10 | 7,375.621493 |
| 15 | 11,063.43224 |
| 20 | 14,751.24299 |
| 25 | 18,439.05373 |
| 50 | 36,878.10746 |
| 75 | 55,317.1612 |
| 100 | 73,756.21493 |
| 1,000 | 737,562.1493 |
Related conversions
Frequently asked questions
How many kilojoules are in 1 foot-pound?
1 foot-pound equals 0.001355817948 kilojoules.
What is the formula to convert foot-pounds to kilojoules?
Use kJ = ft·lbf × 0.00135581794833. Multiply the number of foot-pounds by 0.00135581794833 to get kilojoules. Going the other way, divide by 0.00135581794833 (or multiply by 737.562149277).
What is 100 foot-pounds in kilojoules?
100 foot-pounds is 0.1355817948 kilojoules.