Horsepower to Megajoules (hp → MJ)
Formula
1 hp = 0.0007457000000000001 MJConversion Table
| hp | MJ |
|---|---|
| 0 | 0 |
| 1.0000 | 0.00074570 |
| 2.0000 | 0.0014914 |
| 3.0000 | 0.0022371 |
| 4.0000 | 0.0029828 |
| 5.0000 | 0.0037285 |
| 6.0000 | 0.0044742 |
| 7.0000 | 0.0052199 |
| 8.0000 | 0.0059656 |
| 9.0000 | 0.0067113 |
| 10.000 | 0.0074570 |
| 11.000 | 0.0082027 |
| 12.000 | 0.0089484 |
| 13.000 | 0.0096941 |
| 14.000 | 0.010440 |
| 15.000 | 0.011185 |
| 16.000 | 0.011931 |
| 17.000 | 0.012677 |
| 18.000 | 0.013423 |
| 19.000 | 0.014168 |
| hp | MJ |
|---|---|
| 20.000 | 0.014914 |
| 21.000 | 0.015660 |
| 22.000 | 0.016405 |
| 23.000 | 0.017151 |
| 24.000 | 0.017897 |
| 25.000 | 0.018642 |
| 26.000 | 0.019388 |
| 27.000 | 0.020134 |
| 28.000 | 0.020880 |
| 29.000 | 0.021625 |
| 30.000 | 0.022371 |
| 31.000 | 0.023117 |
| 32.000 | 0.023862 |
| 33.000 | 0.024608 |
| 34.000 | 0.025354 |
| 35.000 | 0.026100 |
| 36.000 | 0.026845 |
| 37.000 | 0.027591 |
| 38.000 | 0.028337 |
| 39.000 | 0.029082 |
| hp | MJ |
|---|---|
| 40.000 | 0.029828 |
| 41.000 | 0.030574 |
| 42.000 | 0.031319 |
| 43.000 | 0.032065 |
| 44.000 | 0.032811 |
| 45.000 | 0.033557 |
| 46.000 | 0.034302 |
| 47.000 | 0.035048 |
| 48.000 | 0.035794 |
| 49.000 | 0.036539 |
| 50.000 | 0.037285 |
| 51.000 | 0.038031 |
| 52.000 | 0.038776 |
| 53.000 | 0.039522 |
| 54.000 | 0.040268 |
| 55.000 | 0.041014 |
| 56.000 | 0.041759 |
| 57.000 | 0.042505 |
| 58.000 | 0.043251 |
| 59.000 | 0.043996 |
| hp | MJ |
|---|---|
| 60.000 | 0.044742 |
| 61.000 | 0.045488 |
| 62.000 | 0.046233 |
| 63.000 | 0.046979 |
| 64.000 | 0.047725 |
| 65.000 | 0.048470 |
| 66.000 | 0.049216 |
| 67.000 | 0.049962 |
| 68.000 | 0.050708 |
| 69.000 | 0.051453 |
| 70.000 | 0.052199 |
| 71.000 | 0.052945 |
| 72.000 | 0.053690 |
| 73.000 | 0.054436 |
| 74.000 | 0.055182 |
| 75.000 | 0.055927 |
| 76.000 | 0.056673 |
| 77.000 | 0.057419 |
| 78.000 | 0.058165 |
| 79.000 | 0.058910 |
Horsepower to Megajoules Conversion
Converting Horsepower (hp) to Megajoules (MJ) is a common energy and power conversion. 1 hp equals 0.000746 MJ. For example, 100 hp is equal to 0.07457 MJ.
Quick Mental Math: Horsepower to Megajoules
For energy conversions, identify the unit scale difference in the prefix or definition.
Why is converting Horsepower to Megajoules tricky?
Energy unit conversions involve non-linear factors across different measurement systems.
Quick Reference Values
1 hp = 0.000746 MJ. 5 hp = 0.003729 MJ. 10 hp = 0.007457 MJ. 25 hp = 0.018643 MJ. 50 hp = 0.037285 MJ. 100 hp = 0.07457 MJ.
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].
What is Megajoules?
Megajoules (MJ) is a unit of energy and power. A megajoule equals one million joules, the SI unit of energy, defined as the work done when applying a force of one newton over one meter. One MJ equals 1,000,000 J exactly. It is used to quantify large energy amounts in scientific, industrial, and engineering contexts [bipm-si-brochure]. The joule was named after James Prescott Joule in the 19th century, honoring his work on energy. The megajoule as a multiple of the joule was standardized with the SI system established by BIPM in 1960 to handle large-scale energy measurements [bipm-si-brochure]. Megajoules are widely used internationally in energy production, mechanical work quantification, and fuel energy content. Industries such as electricity generation, chemical manufacturing, and automotive engineering rely on MJ for reporting energy values [nist-si-guide].
Common Misspellings
People often search for this conversion using these alternate spellings: horse power, horsepower, hp, horsepwer, horspower, mega joules, megajoule, mega-joules, megajoules energy. All of these refer to the Horsepower to Megajoules conversion.