The short answer
- 1 hp ≈ 0.7456999 kW
- 1 kW ≈ 1.341022 hp
Worked example150 hp × 0.7456998716 = 111.855 kW
UNIT CONVERSION
← Power converterHorsepower to kilowatts
To convert horsepower to kilowatts, multiply the number of horsepower by 0.7456998716.
What the units mean
Horsepower. Mechanical horsepower is 550 foot-pounds per second, about 745.7 watts. Metric horsepower (PS) is slightly smaller, about 735.5 watts.
Kilowatt. The kilowatt is 1,000 watts. The watt is the SI unit of power, one joule per second.
Horsepower to kilowatts table
| Horsepower (hp) | Kilowatts (kW) |
|---|---|
| 1 | 0.7456999 |
| 5 | 3.728499 |
| 10 | 7.456999 |
| 25 | 18.6425 |
| 50 | 37.28499 |
| 75 | 55.92749 |
| 100 | 74.56999 |
| 110 | 82.02699 |
| 120 | 89.48398 |
| 130 | 96.94098 |
| 150 | 111.855 |
| 175 | 130.4975 |
| 200 | 149.14 |
| 250 | 186.425 |
| 300 | 223.71 |
| 400 | 298.2799 |
| 500 | 372.8499 |
| 1,000 | 745.6999 |
Values are rounded to 7 significant figures.
Common questions
How do I convert horsepower to kilowatts?
Multiply the number of horsepower by 0.7456998716. For example, 150 hp × 0.7456998716 = 111.855 kW.
How many kilowatts are in one horsepower?
One horsepower is about 0.7456999 kilowatts.
Is this conversion exact?
Yes. Both units have exact legal definitions, so the factor is exact. Values on this page are rounded to 7 significant figures.