Joules to Foot-Pounds (J → ft⋅lbf)
Formula
1 J = 0.7375621211696556 ft⋅lbfConversion Table
| J | ft⋅lbf |
|---|---|
| 0 | 0 |
| 1.0000 | 0.73756 |
| 2.0000 | 1.4751 |
| 3.0000 | 2.2127 |
| 4.0000 | 2.9502 |
| 5.0000 | 3.6878 |
| 6.0000 | 4.4254 |
| 7.0000 | 5.1629 |
| 8.0000 | 5.9005 |
| 9.0000 | 6.6381 |
| 10.000 | 7.3756 |
| 11.000 | 8.1132 |
| 12.000 | 8.8507 |
| 13.000 | 9.5883 |
| 14.000 | 10.326 |
| 15.000 | 11.063 |
| 16.000 | 11.801 |
| 17.000 | 12.539 |
| 18.000 | 13.276 |
| 19.000 | 14.014 |
| J | ft⋅lbf |
|---|---|
| 20.000 | 14.751 |
| 21.000 | 15.489 |
| 22.000 | 16.226 |
| 23.000 | 16.964 |
| 24.000 | 17.701 |
| 25.000 | 18.439 |
| 26.000 | 19.177 |
| 27.000 | 19.914 |
| 28.000 | 20.652 |
| 29.000 | 21.389 |
| 30.000 | 22.127 |
| 31.000 | 22.864 |
| 32.000 | 23.602 |
| 33.000 | 24.340 |
| 34.000 | 25.077 |
| 35.000 | 25.815 |
| 36.000 | 26.552 |
| 37.000 | 27.290 |
| 38.000 | 28.027 |
| 39.000 | 28.765 |
| J | ft⋅lbf |
|---|---|
| 40.000 | 29.502 |
| 41.000 | 30.240 |
| 42.000 | 30.978 |
| 43.000 | 31.715 |
| 44.000 | 32.453 |
| 45.000 | 33.190 |
| 46.000 | 33.928 |
| 47.000 | 34.665 |
| 48.000 | 35.403 |
| 49.000 | 36.141 |
| 50.000 | 36.878 |
| 51.000 | 37.616 |
| 52.000 | 38.353 |
| 53.000 | 39.091 |
| 54.000 | 39.828 |
| 55.000 | 40.566 |
| 56.000 | 41.303 |
| 57.000 | 42.041 |
| 58.000 | 42.779 |
| 59.000 | 43.516 |
| J | ft⋅lbf |
|---|---|
| 60.000 | 44.254 |
| 61.000 | 44.991 |
| 62.000 | 45.729 |
| 63.000 | 46.466 |
| 64.000 | 47.204 |
| 65.000 | 47.942 |
| 66.000 | 48.679 |
| 67.000 | 49.417 |
| 68.000 | 50.154 |
| 69.000 | 50.892 |
| 70.000 | 51.629 |
| 71.000 | 52.367 |
| 72.000 | 53.104 |
| 73.000 | 53.842 |
| 74.000 | 54.580 |
| 75.000 | 55.317 |
| 76.000 | 56.055 |
| 77.000 | 56.792 |
| 78.000 | 57.530 |
| 79.000 | 58.267 |
Joules to Foot-Pounds Conversion
Converting Joules (J) to Foot-Pounds (ft⋅lbf) is a common energy and power conversion. 1 J equals 0.737562 ft⋅lbf. For example, 100 J is equal to 73.756212 ft⋅lbf.
Quick Mental Math: Joules to Foot-Pounds
Divide joules by 1.36 to convert to foot-pounds.
Why is converting Joules to Foot-Pounds tricky?
joules to foot-pounds uses multiple definitions of the same unit name.
Quick Reference Values
1 J = 0.737562 ft⋅lbf. 5 J = 3.687811 ft⋅lbf. 10 J = 7.375621 ft⋅lbf. 25 J = 18.439053 ft⋅lbf. 50 J = 36.878106 ft⋅lbf. 100 J = 73.756212 ft⋅lbf.
What is Joules?
Joules (J) is a unit of energy and power. The joule is the SI unit of energy defined as the work done when a force of one newton moves an object one meter in the direction of the force. It equals one kilogram meter squared per second squared (kg·m²/s²). This definition aligns with the International System of Units as standardized by the BIPM [bipm-si-brochure]. The joule is named after James Prescott Joule, a 19th-century physicist who studied energy conservation. It was officially adopted as a unit of energy by the CGPM in 1948 to unify energy measurement standards internationally [cgpm-resolutions]. Joules are used worldwide in physics, engineering, and electrical industries to quantify energy, work, and heat. Countries using the SI system, including those in Europe, Asia, and the Americas, rely on joules for scientific and industrial applications [nist-si-guide].
What is Foot-Pounds?
Foot-Pounds (ft⋅lbf) is a unit of energy and power. A foot-pound is a unit of work or energy equal to the work done by a force of one pound-force acting over a distance of one foot. It corresponds exactly to 1.355817948 joules in SI units. Foot-pounds are widely used in engineering and mechanics to quantify torque and energy [nist-cuu]. The foot-pound dates back to the British Imperial system, standardized in the 19th century for practical engineering calculations involving force and distance. It became a fundamental unit in mechanical engineering and remains common in US customary units [nist-cuu]. Foot-pounds are extensively used in the United States in mechanical engineering, automotive torque specifications, and energy measurement. They remain relevant in industries where imperial units dominate, although SI units are preferred internationally [nist-si-guide].
Common Misspellings
People often search for this conversion using these alternate spellings: joule, joul, jouls, juls, foot pound, footpounds, foot pounds. All of these refer to the Joules to Foot-Pounds conversion.