Joules to Horsepower (J → hp)
Formula
1 J = 0.001341021858656296 hpConversion Table
| J | hp |
|---|---|
| 0 | 0 |
| 1.0000 | 0.0013410 |
| 2.0000 | 0.0026820 |
| 3.0000 | 0.0040231 |
| 4.0000 | 0.0053641 |
| 5.0000 | 0.0067051 |
| 6.0000 | 0.0080461 |
| 7.0000 | 0.0093872 |
| 8.0000 | 0.010728 |
| 9.0000 | 0.012069 |
| 10.000 | 0.013410 |
| 11.000 | 0.014751 |
| 12.000 | 0.016092 |
| 13.000 | 0.017433 |
| 14.000 | 0.018774 |
| 15.000 | 0.020115 |
| 16.000 | 0.021456 |
| 17.000 | 0.022797 |
| 18.000 | 0.024138 |
| 19.000 | 0.025479 |
| J | hp |
|---|---|
| 20.000 | 0.026820 |
| 21.000 | 0.028161 |
| 22.000 | 0.029502 |
| 23.000 | 0.030844 |
| 24.000 | 0.032185 |
| 25.000 | 0.033526 |
| 26.000 | 0.034867 |
| 27.000 | 0.036208 |
| 28.000 | 0.037549 |
| 29.000 | 0.038890 |
| 30.000 | 0.040231 |
| 31.000 | 0.041572 |
| 32.000 | 0.042913 |
| 33.000 | 0.044254 |
| 34.000 | 0.045595 |
| 35.000 | 0.046936 |
| 36.000 | 0.048277 |
| 37.000 | 0.049618 |
| 38.000 | 0.050959 |
| 39.000 | 0.052300 |
| J | hp |
|---|---|
| 40.000 | 0.053641 |
| 41.000 | 0.054982 |
| 42.000 | 0.056323 |
| 43.000 | 0.057664 |
| 44.000 | 0.059005 |
| 45.000 | 0.060346 |
| 46.000 | 0.061687 |
| 47.000 | 0.063028 |
| 48.000 | 0.064369 |
| 49.000 | 0.065710 |
| 50.000 | 0.067051 |
| 51.000 | 0.068392 |
| 52.000 | 0.069733 |
| 53.000 | 0.071074 |
| 54.000 | 0.072415 |
| 55.000 | 0.073756 |
| 56.000 | 0.075097 |
| 57.000 | 0.076438 |
| 58.000 | 0.077779 |
| 59.000 | 0.079120 |
| J | hp |
|---|---|
| 60.000 | 0.080461 |
| 61.000 | 0.081802 |
| 62.000 | 0.083143 |
| 63.000 | 0.084484 |
| 64.000 | 0.085825 |
| 65.000 | 0.087166 |
| 66.000 | 0.088507 |
| 67.000 | 0.089848 |
| 68.000 | 0.091189 |
| 69.000 | 0.092531 |
| 70.000 | 0.093872 |
| 71.000 | 0.095213 |
| 72.000 | 0.096554 |
| 73.000 | 0.097895 |
| 74.000 | 0.099236 |
| 75.000 | 0.10058 |
| 76.000 | 0.10192 |
| 77.000 | 0.10326 |
| 78.000 | 0.10460 |
| 79.000 | 0.10594 |
Joules to Horsepower Conversion
Converting Joules (J) to Horsepower (hp) is a common energy and power conversion. 1 J equals 0.001341 hp. For example, 100 J is equal to 0.134102 hp.
Quick Mental Math: Joules to Horsepower
If 10 joules is released in 1 second, it is about 0.01341 horsepower.
Why is converting Joules to Horsepower tricky?
joules to horsepower mixes energy with power, so the missing time step is the trap: the same energy gives different power over 1 second and 1 hour.
Quick Reference Values
1 J = 0.001341 hp. 5 J = 0.006705 hp. 10 J = 0.01341 hp. 25 J = 0.033526 hp. 50 J = 0.067051 hp. 100 J = 0.134102 hp.
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 Horsepower?
Horsepower (hp) is a unit of energy and power. Horsepower is a unit of power originally defined to compare the output of steam engines with draft horses. The mechanical horsepower equals exactly 745.7 watts, as standardized by the SAE and ISO. It measures the rate of work or energy transfer in engines and motors [nist-cuu]. James Watt introduced the horsepower unit in the late 18th century to market his improved steam engines by equating their power to that of horses. This practical definition facilitated industrial adoption and standardization of power output metrics [nist-cuu]. Horsepower remains common in automotive, marine, and industrial machinery industries, especially in the US and Europe. Although the watt is the SI unit for power, horsepower is often used in marketing and technical specifications [nist-cuu].
Common Misspellings
People often search for this conversion using these alternate spellings: joule, joul, jouls, juls, horse power, horsepower, hp, horsepwer, horspower. All of these refer to the Joules to Horsepower conversion.