Joule to Foot-pound-force Converter
1 joule is about 0.7375621493 foot-pounds-force. Convert joules (J) to foot-pounds-force (ft·lbf) below: type a value and the result updates as you type.
J to ft·lbf calculator
Result
Joule to Foot-pound-force conversion
1 J ≈ 0.7375621493 ft·lbfone joule in foot-pounds-force
1 ft·lbf = 1.3558179483314004 Jone foot-pound-force in joules
Joule (J): SI derived unit: one newton-meter.
Foot-pound-force (ft·lbf): Work of one pound-force acting through one foot: 4.4482216152605 N × 0.3048 m.
Source:Joule: SI Brochure, 9th edition (BIPM, 2019); Foot-pound-force: NIST Special Publication 811 (2008), Appendix B.8
How to convert joules to foot-pounds-force
To convert joules to foot-pounds-force, divide the number of joules by 1.3558179483314004.
Formula
ft·lbf = J ÷ 1.3558179483314004
Examples
- 5 J = 5 ÷ 1.3558179483314004 ≈ 3.687810746 ft·lbf
- 25 J = 25 ÷ 1.3558179483314004 ≈ 18.43905373 ft·lbf
- 100 J = 100 ÷ 1.3558179483314004 ≈ 73.75621493 ft·lbf
Joule to Foot-pound-force conversion table
| Joule (J) | Foot-pound-force (ft·lbf) |
|---|---|
| 0.1 J | 0.07375621493 ft·lbf |
| 0.5 J | 0.3687810746 ft·lbf |
| 1 J | 0.7375621493 ft·lbf |
| 2 J | 1.475124299 ft·lbf |
| 3 J | 2.212686448 ft·lbf |
| 5 J | 3.687810746 ft·lbf |
| 10 J | 7.375621493 ft·lbf |
| 20 J | 14.75124299 ft·lbf |
| 25 J | 18.43905373 ft·lbf |
| 50 J | 36.87810746 ft·lbf |
| 100 J | 73.75621493 ft·lbf |
| 250 J | 184.3905373 ft·lbf |
| 500 J | 368.7810746 ft·lbf |
| 1000 J | 737.5621493 ft·lbf |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- How many foot-pounds-force are in one joule?
- One joule is about 0.7375621493 foot-pounds-force.
- How do I convert foot-pounds-force to joules?
- To convert foot-pounds-force to joules, multiply the number of foot-pounds-force by 1.3558179483314004. The formula is J = ft·lbf × 1.3558179483314004.
- Is this conversion exact?
- Yes. Both units have exact definitions and the factor 1.3558179483314004 is exact. Displayed results are only rounded when they have many decimal places.
- Which is larger, a joule or a foot-pound-force?
- A foot-pound-force is 1.3558179483314004 times larger than a joule. In other words, a joule is about 0.7375621493 of a foot-pound-force.