Horsepower to Kilowatts Converter

Horsepower to Kilowatts Converter

Kilowatts
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Watts
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1 hp = 0.7457 kW · 1 hp = 745.7 W

How to convert horsepower to kilowatts

To convert horsepower to kilowatts, multiply by 0.7457. For example, 200 hp × 0.7457 = 149.14 kW. Going the other way, multiply kilowatts by 1.34102 to get horsepower.

To convert horsepower to watts, multiply by 745.7. So 100 hp × 745.7 = 74,570 watts.

1 horsepower = 745.7 watts = 0.7457 kilowatts. Horsepower is used for engines and motors in the US and UK. Kilowatts are used internationally and for electric vehicles and appliances.

Horsepower to kilowatts conversion table

Horsepower (hp) Kilowatts (kW) Common reference
1 hp0.746 kWsmall motor
10 hp7.457 kWsmall engine
50 hp37.285 kWsmall car engine
100 hp74.570 kWeconomy car
150 hp111.855 kWmid-size car
200 hp149.140 kWsports car
300 hp223.710 kWperformance car
500 hp372.850 kWsupercar
1000 hp745.700 kWhypercar

Frequently asked questions

How many kW is 1 horsepower?
1 horsepower = 0.7457 kilowatts = 745.7 watts.
How many kW is 200 horsepower?
200 hp = 149.14 kW. Calculation: 200 × 0.7457 = 149.14 kW.
How many horsepower is 100 kW?
100 kW = 134.102 hp. Calculation: 100 × 1.34102 = 134.1 hp.
Why do car specs use both hp and kW?
US and UK markets traditionally use horsepower while European and international markets use kilowatts. Car manufacturers list both to serve global markets.
How many kW is 300 horsepower?
300 hp = 223.71 kW. Calculation: 300 × 0.7457 = 223.71 kW.