Joule to Foot-Pound Converter
Convert Joule (J) to Foot-Pound (ft·lbf) instantly. 1 J = 0.737562 ft·lbf.
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27 units available
1 J = 0.737562 ft·lbf
Formula:
ft·lbf = J × 0.7375621493With your value: 1 J = 0.73756215 ft·lbf
How big is that?
Everyday references on a logarithmic scale, all expressed in joule so you can sanity-check the result.
Other Joule to Foot-Pound conversions
Joule to Foot-Pound Conversion Table
| Joule (J) | Foot-Pound (ft·lbf) |
|---|---|
| 0.5 | 0.368781 |
| 1 | 0.737562 |
| 2 | 1.475124 |
| 5 | 3.687811 |
| 10 | 7.375621 |
| 15 | 11.063432 |
| 20 | 14.751243 |
| 25 | 18.439054 |
| 50 | 36.878107 |
| 100 | 73.756215 |
| 250 | 184.390537 |
| 500 | 368.781075 |
| 1000 | 737.562149 |
Foot-Pound to Joule Conversion Table
| Foot-Pound (ft·lbf) | Joule (J) |
|---|---|
| 0.5 | 0.677909 |
| 1 | 1.355818 |
| 2 | 2.711636 |
| 5 | 6.77909 |
| 10 | 13.558179 |
| 15 | 20.337269 |
| 20 | 27.116359 |
| 25 | 33.895449 |
| 50 | 67.790897 |
| 100 | 135.581795 |
| 250 | 338.954487 |
| 500 | 677.908974 |
| 1000 | 1,355.817948 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Joule (J)
Energy
Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Foot-Pound (ft·lbf)
Energy
Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Joule to Foot-Pound
To convert from Joule (J) to Foot-Pound (ft·lbf), multiply the value by 0.7375621493.
Formula: ft·lbf = J × 0.7375621493
Reverse: J = ft·lbf × 1.3558179483
Step-by-Step Example
- Start with your value in Joule. For example: 5 J
- Multiply by the conversion factor: 5 x 0.7375621493
- The result is: 3.687811 ft·lbf
About Joule
The joule is the SI unit of energy. One joule equals the work done when a force of one newton moves an object one meter.
Common uses: physics, electrical engineering, chemistry.
About Foot-Pound
The foot-pound (ft·lbf) is a unit of energy and work. One foot-pound equals 1.355817948 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: energy calculations, engineering and science, education.
Frequently Asked Questions
How many Foot-Pound are in 1 Joule?
There are exactly 0.7375621493 Foot-Pound in 1 Joule. This means the conversion factor from Joule to Foot-Pound is 0.7375621493.
What is the formula to convert Joule to Foot-Pound?
The formula to convert Joule to Foot-Pound is: ft·lbf = J × 0.7375621493. For example, to convert 10 Joule to Foot-Pound, you would multiply 10 by 0.7375621493.
What is a Joule?
The joule is the SI unit of energy. One joule equals the work done when a force of one newton moves an object one meter.
What is a Foot-Pound?
The foot-pound (ft·lbf) is a unit of energy and work. One foot-pound equals 1.355817948 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What are the common uses of Joule?
The Joule is commonly used in physics, electrical engineering, chemistry.
Related Energy Conversions
Cite this page
UnitConvertLab. (2026). Joule to Foot-Pound converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/joule-to-foot_pound