Convert horsepower to kilowatt
Here you can quickly calculate how many kilowatt fit in one horsepower.
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- 1 hp = 0.7457 kW
- 1 kW = 1.341022 hp
Conversion from horsepower to kilowatt example
- 1 horsepower = 0.7457 kilowatt
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
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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.
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'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.
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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:
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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.