PowerConvert™ Fast Electrical Power Calculators
HP to kW Calculator
Convert mechanical horsepower to kilowatts and back. Edit either field and the other updates.
Horsepower · HP
Kilowatts · kW
1 HP = 0.745712 kW
How it is calculated
kW = HP x 0.745712. HP = kW / 0.745712.
1 HP = 0.745712 kW. 1 kW = 1.341 HP.
Frequently asked questions
How many kW is 1 HP?
One mechanical horsepower equals 0.745712 kW.
How do you convert kW to HP?
Divide the kilowatts by 0.745712. So 1 kW is about 1.341 HP.
Which horsepower definition is this?
This uses mechanical (imperial) horsepower, the standard for motors and engines.