Horsepower to Kilowatts Converter
Convert mechanical horsepower to kilowatts instantly. Type a value, change either unit, or press swap to go the other way. 1 mechanical horsepower = 0.74569987 kilowatts.
1 mechanical horsepower = 0.74569987 kilowatts
How to convert mechanical horsepower to kilowatts
kilowatts = mechanical horsepower × 0.7456998716
To convert mechanical horsepower to kilowatts, multiply the value by 0.7456998716. To go back from kilowatts to mechanical horsepower, divide by the same number (or multiply by 1.34102209).
Worked examples
- 10 hp: 10 × 0.7456998716 = 7.4569987 kW
- 50 hp: 50 × 0.7456998716 = 37.284994 kW
- 100 hp: 100 × 0.7456998716 = 74.569987 kW
Multiply horsepower by 0.75. A 200 hp engine is about 149 kW.
Horsepower to Kilowatts conversion table
Mechanical Horsepower to Kilowatts
| hp | kW |
|---|---|
| 1 | 0.74569987 |
| 5 | 3.7284994 |
| 10 | 7.4569987 |
| 50 | 37.284994 |
| 100 | 74.569987 |
| 150 | 111.85498 |
| 200 | 149.13997 |
| 300 | 223.70996 |
| 500 | 372.84994 |
| 1,000 | 745.69987 |
Kilowatts to Mechanical Horsepower
| kW | hp |
|---|---|
| 1 | 1.3410221 |
| 5 | 6.7051104 |
| 10 | 13.410221 |
| 50 | 67.051104 |
| 100 | 134.10221 |
| 150 | 201.15331 |
| 200 | 268.20442 |
| 300 | 402.30663 |
| 500 | 670.51104 |
| 1,000 | 1,341.0221 |
Power equivalents
See how one mechanical horsepower and one kilowatt compare with every other power unit on the site.
1 mechanical horsepower equals
| Unit | Value |
|---|---|
| watts (W) | 745.6999 |
| kilowatts (kW) | 0.7456999 |
| megawatts (MW) | 0.0007456999 |
| metric horsepower (PS) (PS) | 1.01387 |
| BTU per hour (BTU/h) | 2,544.434 |
1 kilowatt equals
| Unit | Value |
|---|---|
| watts (W) | 1,000 |
| megawatts (MW) | 0.001 |
| mechanical horsepower (hp) | 1.341022 |
| metric horsepower (PS) (PS) | 1.359622 |
| BTU per hour (BTU/h) | 3,412.142 |
When you need to convert mechanical horsepower to kilowatts
Lawn mowers, pumps, air compressors and cars in North America are rated in horsepower. Elsewhere, and in electrical design, the same equipment has a kilowatt rating. Converting lets you size generators and circuits properly.
About the units
Mechanical horsepower (hp)
Mechanical (imperial) horsepower is about 745.7 watts. It is the figure behind the "hp" rating on US and UK cars, lawn mowers and motors.
Kilowatt (kW)
A kilowatt is 1,000 watts. It is the usual unit for engine output in Europe and for the power of electric motors, heaters and chargers.
Frequently asked questions
How do I convert mechanical horsepower to kilowatts?
Multiply the number of mechanical horsepower by 0.7456998716. For example, 10 mechanical horsepower × 0.7456998716 = 7.456998716 kilowatts.
How many kilowatts are in one mechanical horsepower?
There are 0.7456998716 kilowatts in one mechanical horsepower.
How many mechanical horsepower are in one kilowatt?
There are 1.34102209 mechanical horsepower in one kilowatt.
Is horsepower the same in every country?
Not quite. Mechanical horsepower is 745.7 W, while metric horsepower (PS or CV) is 735.5 W. The difference is about 1.4 percent, which can explain small differences in published car specs.
Can I convert other power units with this tool?
Yes. Use the From and To drop-downs in the converter to choose any power unit, or press the swap button to reverse the conversion. All calculations use internationally defined conversion factors.