Convert horsepower to kilowatts
Enter a value in horsepower (hp) to get kilowatts (kW). One horsepower (mechanical) is 0.7457 kilowatts; one kilowatt is 1.341 horsepower.
How to use the Horsepower (mechanical) to kilowatt
- Type the number of horsepower.
- Click Convert.
- Read the result in kilowatts, plus the same value in every other power unit.
hp to kW formula
kilowatts = horsepower × 0.7457. To go the other way, horsepower = kilowatts × 1.341 (see kilowatts to horsepower).
Worked example
12 hp × 0.7457 = 8.9484 kW.
Horsepower to kilowatts conversion table
| Horsepower | Kilowatts |
|---|---|
| 0.1 hp | 0.07457 kW |
| 0.5 hp | 0.37285 kW |
| 1 hp | 0.7457 kW |
| 2 hp | 1.4914 kW |
| 3 hp | 2.2371 kW |
| 5 hp | 3.7285 kW |
| 10 hp | 7.457 kW |
| 20 hp | 14.914 kW |
| 25 hp | 18.6425 kW |
| 50 hp | 37.285 kW |
| 100 hp | 74.57 kW |
| 250 hp | 186.425 kW |
| 500 hp | 372.8499 kW |
| 1,000 hp | 745.6999 kW |
About the horsepower (mechanical)
Exactly 745.7 W. Car engines in the USA and UK.
About the kilowatt
1,000 W. Car and motor power in Europe, EV chargers, solar panels.
Related conversions
kilowatts to horsepower · horsepower to watts · horsepower to metric horsepower · any unit.
Frequently asked questions
How many kilowatts in a horsepower (mechanical)?
0.7457 kilowatts.
How many horsepower in a kilowatt?
1.341 horsepower.
Is the factor exact?
The factor 0.7457 is derived from the units' exact definitions; only the display is rounded.
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Last updated 2026-09-23.