Foot-pound to Joule Converter
Convert Foot-pounds to Joules
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How to Convert Foot-pounds to Joules
To convert foot-pounds (ft-lb) to joules, multiply the number of foot-pounds by 1.35582. This is because 1 foot-pound is the energy transferred upon applying a force of one pound-force through a linear displacement of one foot.
Formula
Joules = Foot-pounds × 1.35582
or
J = ft-lb × 1.35582
Step-by-step process
- Take the measurement in foot-pounds
- Multiply that number by 1.35582
- The result is the equivalent energy in joules
Examples
- 10 ft-lb = 10 × 1.35582 = 13.5582 J
- 50 ft-lb = 50 × 1.35582 = 67.791 J
- 100 ft-lb = 100 × 1.35582 = 135.582 J
Common Foot-pounds to Joules Conversions
Here is a table of common conversions for quick reference:
| Foot-pounds (ft-lb) | Joules (J) | Foot-pounds (ft-lb) | Joules (J) |
|---|---|---|---|
| 1 | 1.3558 | 100 | 135.58 |
| 5 | 6.7791 | 250 | 338.95 |
| 10 | 13.558 | 500 | 677.91 |
| 25 | 33.895 | 1,000 | 1,355.82 |
| 50 | 67.791 | 5,000 | 6,779.1 |
Other conversions from foot-pounds
Foot-pounds can be converted to various other units of energy. Here are some common conversions:
Frequently Asked Questions
How many foot-pounds are in a joule?
There are approximately 0.737562 foot-pounds in one joule.