Horsepower (British) to Kilowatt Converter (hp to kW)

1 horsepower (british) = 0.7457 kilowatt. One mechanical horsepower is 0.7457 kW.

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Result

223.71

300 hp = 223.71 kW

How to convert horsepower (british) to kilowatt

One mechanical horsepower is 0.7457 kW. Engines are rated in horsepower in the US and UK and in kilowatts across most of Europe and for electric vehicles, so car specs often need converting.

Formula

kW = hp × 0.7457

Worked example

300 hp × 0.7457 = 223.71 kW

Horsepower (British) to Kilowatt quick-reference table

Common horsepower (british) to kilowatt values
Horsepower (British) (hp)Kilowatt (kW)
1 hp0.7457 kW
10 hp7.457 kW
50 hp37.285 kW
100 hp74.57 kW
200 hp149.14 kW
500 hp372.85 kW

Real-life examples

A 300 hp engine is 223.7 kW, and a 150 hp car is 111.9 kW. Metric horsepower (PS) used in Europe is slightly smaller, 0.7355 kW.

Frequently asked questions

How many kW is 1 hp?

One mechanical horsepower is 0.7457 kW.

Is PS the same as hp?

No. PS (Pferdestarke, metric horsepower) is 0.7355 kW, about 1.4 percent less than a 0.7457 kW mechanical hp.

What is 1 horsepower (british) in kilowatt?

1 horsepower (british) = 0.7457 kilowatt (hp to kW).

What is the formula to convert hp to kW?

kW = hp × 0.7457. For example, 300 hp × 0.7457 = 223.71 kW.

How do I convert kW back to hp?

Use the reverse converter: 1 kilowatt = 1.34102 horsepower (british). Check: 223.71 kW converts back to 300 hp.

Reverse conversion

Need the other direction? Kilowatt to Horsepower (British) converter (kW to hp): 1 kilowatt = 1.34102 horsepower (british).

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