Convert Foot-Pounds (ft·lbf) to Joules (J)
Ever wondered what 1 ft·lbf equals in J? It is exactly 1.35582 J, and any other value scales linearly from there.
Formula
1 ft·lbf = 1.35582 J
To convert ft·lbf to J, multiply the value by 1.35582.
Conversion Table
| Foot-Pounds (ft·lbf) | Joules (J) |
|---|---|
| 0.01 ft·lbf | 0.0136 J |
| 0.1 ft·lbf | 0.1356 J |
| 0.5 ft·lbf | 0.6779 J |
| 1 ft·lbf | 1.3558 J |
| 2 ft·lbf | 2.7116 J |
| 3 ft·lbf | 4.0675 J |
| 5 ft·lbf | 6.7791 J |
| 10 ft·lbf | 13.5582 J |
| 15 ft·lbf | 20.3373 J |
| 20 ft·lbf | 27.1164 J |
| 25 ft·lbf | 33.8955 J |
| 50 ft·lbf | 67.791 J |
| 100 ft·lbf | 135.582 J |
| 250 ft·lbf | 338.955 J |
| 500 ft·lbf | 677.91 J |
| 1000 ft·lbf | 1355.82 J |
| 2500 ft·lbf | 3389.55 J |
| 5000 ft·lbf | 6779.1 J |
| 10000 ft·lbf | 13558.2 J |
| 50000 ft·lbf | 67791 J |
Common ft·lbf to J Examples
- 1 ft·lbf = 1.3558 J
- 5 ft·lbf = 6.7791 J
- 10 ft·lbf = 13.5582 J
- 25 ft·lbf = 33.8955 J
- 50 ft·lbf = 67.791 J
- 100 ft·lbf = 135.582 J
- 500 ft·lbf = 677.91 J
- 1000 ft·lbf = 1355.82 J
Frequently Asked Questions
1 ft·lbf equals 1.35582 J. This ratio applies to every conversion between the two units.
The formula is 1 ft·lbf = 1.35582 J. To convert any value, multiply the value by 1.35582.
Take the value in ft·lbf and multiply the value by 1.35582. The result is the same value expressed in J.
The ratio 1.35582 is defined to high precision and is exact for most practical purposes. Rounding only matters when many decimal places are needed.
For everyday use, 2 to 4 decimal places are enough. Scientific or engineering work may require 6 or more.
Yes. Simply invert the ratio: divide the J value by 1.35582 to get the equivalent in ft·lbf.