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Horsepower to Kilowatts Converter (hp to kW)

Convert horsepower to kilowatts instantly with our free hp to kW calculator. Enter a value to see the result.

Result1 hp = 0.7457 kW
⇄ Switch to Kilowatts to Horsepower
Quick answer: 1 horsepower (hp) = 0.7457 kilowatts (kW).

How to convert horsepower to kilowatts

To change hp into kW, use this formula:

kW = hp × 0.7457

Quick mental estimate: multiply by about 0.75.

Example: to convert 25 hp to kW, calculate 18.6425 kW. To go the other way, use hp = kW ÷ 0.7457.

Popular horsepower to kilowatts conversions

Horsepower to Kilowatts conversion chart

Horsepower (hp)Kilowatts (kW)
1 hp0.7457 kW
2 hp1.4914 kW
5 hp3.7285 kW
10 hp7.457 kW
20 hp14.914 kW
25 hp18.6425 kW
50 hp37.285 kW
75 hp55.9275 kW
100 hp74.57 kW
250 hp186.425 kW
500 hp372.85 kW
1,000 hp745.7 kW

When do you need hp to kW conversion?

This conversion is commonly used for engines, appliances and electrical work. Different countries and industries use different units, so converting horsepower to kilowatts helps you compare measurements accurately.

Frequently asked questions

How many kilowatts are in 1 horsepower?

1 hp equals 0.7457 kW.

How do I convert horsepower to kilowatts?

Use the formula kW = hp × 0.7457. For example, 25 hp = 18.6425 kW.

What is 10 hp in kW?

10 hp = 7.457 kW.

What is 100 hp in kW?

100 hp = 74.57 kW.

How do I convert kW back to hp?

Use hp = kW ÷ 0.7457. You can also use our Kilowatts to Horsepower converter.

Is this hp to kW converter accurate?

Yes. It uses standard international conversion factors and shows up to 6 significant digits.

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