Horsepower (Mechanical) to Kilowatts converter

To convert horsepower (Mechanical) to kilowatts, enter the value in the first field. The result in kilowatts is calculated automatically using the exact conversion factor.

1 hp ≈ 0.745699871582 kW
1 kW ≈ 1.3410220896 hp

Formula: kW ≈ hp × 0.745699871582
hp ≈ kW × 1.3410220896

Definitions: 1 hp = 745.699871582 W; 1 kW = 1000 W

The mechanical (imperial) horsepower (hp) is 550 foot-pounds per second, about 745.7 watts. It is the horsepower quoted for cars and engines in the United States and the United Kingdom, and the unit goes back to James Watt.

The kilowatt (kW) is 1,000 watts. It is used for the power of electric motors, heaters, solar systems, electric-vehicle chargers and, in many countries, car engines.

See the conversion table with commonly used values, handy for quick reference or study.