1 mechanical horsepower = 0.7457 kilowatts
Convert mechanical horsepower to kilowatts.
Both directions on one page — swap the units and the whole thing runs backwards.
Type a value, or “5cm to in”
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The formula
kW = hp × 0.7457
Worked through with a real value: 10 mechanical horsepower = 7.457 kilowatts.
Going the other way: hp = kW × 1.34102, so 1 kilowatt = 1.34102 mechanical horsepower.
What each unit is
- mechanical horsepower hp
- Exactly 550 foot-pounds-force per second, which works out at 745.69987 watts — not a round number in watts, because it was never defined in them. The unit American automobiles and industrial equipment are rated in. European cars are usually rated in metric horsepower (PS) instead, which is smaller.
- kilowatt kW
- A thousand watts, the unit household electricity consumption is billed in.
Where these come from
- 1 mechanical horsepower = 745.6998715822702 watts
- 1 kilowatt = 1000 watts
Every other number on this page is computed from those, and each category is pinned to conversions worked out by hand from the units' primary definitions before it ships.
Conversion tables
| mechanical horsepower (hp) | kilowatts (kW) |
|---|---|
| 1 | 0.7457 |
| 2 | 1.4914 |
| 3 | 2.2371 |
| 4 | 2.9828 |
| 5 | 3.7285 |
| 6 | 4.4742 |
| 7 | 5.2199 |
| 8 | 5.9656 |
| 9 | 6.7113 |
| 10 | 7.457 |
| 20 | 14.914 |
| 25 | 18.6425 |
| 50 | 37.285 |
| 75 | 55.9275 |
| 100 | 74.57 |
| kilowatts (kW) | mechanical horsepower (hp) |
|---|---|
| 1 | 1.34102 |
| 2 | 2.68204 |
| 3 | 4.02307 |
| 4 | 5.36409 |
| 5 | 6.70511 |
| 6 | 8.04613 |
| 7 | 9.38715 |
| 8 | 10.7282 |
| 9 | 12.0692 |
| 10 | 13.4102 |
| 20 | 26.8204 |
| 25 | 33.5256 |
| 50 | 67.0511 |
| 75 | 100.577 |
| 100 | 134.102 |
Questions
How many kilowatts are in a mechanical horsepower?
1 mechanical horsepower = 0.7457 kilowatts.
How do I convert mechanical horsepower to kilowatts?
Use kW = hp × 0.7457. For example, 10 mechanical horsepower = 7.457 kilowatts.
How many mechanical horsepower are in one kilowatt?
1 kilowatt = 1.34102 mechanical horsepower.
What is 10 mechanical horsepower in kilowatts?
10 mechanical horsepower = 7.457 kilowatts.
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