Horsepower to kilowatts
1 horsepower = 0.75 kilowatts
For any other value: kW = hp × 0.7456998716
Calculator
7.46 kW
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You can leave the unit in: 100 hp is fine.
Horsepower to kilowatts chart
The values people look up most.
| horsepower | mechanical hp | Metric hp (PS) |
|---|---|---|
| 10 hp | 7.46 kW | 7.35 kW |
| 3 hp | 2.24 kW | 2.21 kW |
| 25 hp | 18.64 kW | 18.39 kW |
| 75 hp | 55.93 kW | 55.16 kW |
| 1 hp | 0.75 kW | 0.74 kW |
| 15 hp | 11.19 kW | 11.03 kW |
| 2 hp | 1.49 kW | 1.47 kW |
| 4 hp | 2.98 kW | 2.94 kW |
| 12 hp | 8.95 kW | 8.83 kW |
| 8 hp | 5.97 kW | 5.88 kW |
| 7.5 hp | 5.59 kW | 5.52 kW |
| 100 hp | 74.57 kW | 73.55 kW |
| 50 hp | 37.28 kW | 36.77 kW |
| 30 hp | 22.37 kW | 22.06 kW |
| 200 hp | 149.14 kW | 147.1 kW |
| 5 hp | 3.73 kW | 3.68 kW |
| 20 hp | 14.91 kW | 14.71 kW |
| 250 hp | 186.42 kW | 183.87 kW |
| 1.5 hp | 1.12 kW | 1.1 kW |
| 300 hp | 223.71 kW | 220.65 kW |
| 40 hp | 29.83 kW | 29.42 kW |
| 150 hp | 111.85 kW | 110.32 kW |
| 400 hp | 298.28 kW | 294.2 kW |
| 500 hp | 372.85 kW | 367.75 kW |
| 80 hp | 59.66 kW | 58.84 kW |
| 60 hp | 44.74 kW | 44.13 kW |
| 600 hp | 447.42 kW | 441.3 kW |
| 1000 hp | 745.7 kW | 735.5 kW |
| 125 hp | 93.21 kW | 91.94 kW |
| 350 hp | 260.99 kW | 257.42 kW |
Formula
kW = hp × 0.7456998716
Mechanical or metric horsepower?
Mechanical horsepower is 745.7 W and metric horsepower — the PS used in European car specs — is 735.5 W. They differ by about 1.4%, which is why the same engine is quoted as 148 hp or 150 PS. The chart shows both.