Horsepower to Kilowatts Converter
How to convert horsepower to kilowatts
kilowatts = horsepower ÷ 1.34102209
To convert horsepower to kilowatts, divide the number of horsepower by 1.34102209.
1 hp = 0.745699872 kW
Examples
- 1 hp ÷ 1.34102209 = 0.745699872 kW
- 300 hp ÷ 1.34102209 = 223.709961 kW
Good to know
One mechanical horsepower is about 0.746 kW, and one kilowatt is about 1.341 hp. Engine power is quoted in kW in most official specifications and in hp in US and UK marketing.
This is mechanical (imperial) horsepower, 550 ft·lbf/s or about 745.7 W. Metric horsepower (PS, CV) is about 1.4% smaller at 735.49875 W, and electric motors are sometimes rated in electrical horsepower of exactly 746 W.
Horsepower to kilowatts conversion table
| Horsepower (hp) | Kilowatts (kW) |
|---|---|
| 1 hp | 0.745699872 kW |
| 2 hp | 1.49139974 kW |
| 5 hp | 3.72849936 kW |
| 10 hp | 7.45699872 kW |
| 20 hp | 14.9139974 kW |
| 50 hp | 37.2849936 kW |
| 75 hp | 55.9274904 kW |
| 100 hp | 74.5699872 kW |
| 150 hp | 111.854981 kW |
| 200 hp | 149.139974 kW |
| 250 hp | 186.424968 kW |
| 300 hp | 223.709961 kW |
| 500 hp | 372.849936 kW |
| 750 hp | 559.274904 kW |
| 1,000 hp | 745.699872 kW |
| 2,000 hp | 1,491.39974 kW |
| 5,000 hp | 3,728.49936 kW |
Unit definitions
- Horsepower (hp)
- Mechanical horsepower is defined as 550 foot-pounds force per second, exactly 745.69987158227022 watts. It is used for engine and motor ratings in the United States and United Kingdom.
- Kilowatt (kW)
- A kilowatt is 1000 watts. It is used for the output of engines, electric motors, heaters and home solar systems.