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Convert horsepower to kilowatt

Here you can quickly calculate how many kilowatt fit in one horsepower.
  • 1 hp = 0.7457 kW
  • 1 kW = 1.341022 hp

Horsepower to kilowatt conversion table

horsepower kilowatt
1 0.7457
2 1.4914
5 3.728499
10 7.456999
20 14.913997
50 37.284994
100 74.569987

Formula to convert horsepower to kilowatt

To convert horsepower to kilowatt, multiply by 0.7457.

1 hp = 0.7457 kW
Example: 1 horsepower = 0.7457 kilowatt

Common mistakes in power conversion

  • Horsepower comes in flavours: the metric horsepower is about 735.5 W while the mechanical (imperial/US) horsepower is about 745.7 W, roughly 1.4% stronger. The same engine therefore shows a slightly lower number in hp than in European hk/PS figures. Always state which horsepower you mean.
  • 'Kilowatts per hour' is a common slip of the tongue, power is measured in plain kilowatts. The kilowatt-hour (kWh) is energy: power multiplied by time. A machine draws 3 kW, and uses 3 kWh in one hour.
  • American air conditioners are rated in BTU/h, European ones in watts, 1 kW is about 3,412 BTU/h. A '9,000 BTU' unit is therefore about 2.6 kW. Divide BTU/h by 3,412 to get kilowatts.

Quick horsepower to/from kilowatt conversion quiz

Score: 0

23.8 horsepower equals 17.7 kilowatt.

Correct answer: 23.8 horsepower = 17.7 kilowatt.

19.7 horsepower equals 12.5 kilowatt.

Correct answer: 19.7 horsepower = 14.7 kilowatt.

239 kilowatt equals 321 horsepower.

Correct answer: 239 kilowatt = 321 horsepower.

214 horsepower equals 160 kilowatt.

Correct answer: 214 horsepower = 160 kilowatt.

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