horsepower to kilowatts
1 hp = 0.7457 kW (mechanical); 1 kW = 1.34102 hp. To convert hp to kW, multiply by 0.7457.
Conversion formula
kW = hp × 0.7457
Conversion table
| 1 hp | 745.6999 W |
|---|---|
| 5 hp | 3728.499 W |
| 10 hp | 7456.999 W |
| 25 hp | 18642.50 W |
| 100 hp | 74569.99 W |
Key facts
| 1 hp (mechanical) | 745.6999 W = 0.7457 kW |
|---|---|
| 1 kW | 1.34102 hp |
| 1 PS (metric hp) | 735.49875 W |
| Formula | kW = hp × 0.7457 |
Frequently asked questions
How many kW is 1 hp?
1 mechanical horsepower equals 0.7457 kW (745.7 W). Multiply hp by 0.7457.
Is PS the same as hp?
No. Metric horsepower (PS) is 735.49875 W, slightly less than mechanical hp at 745.7 W.
Reverse conversion
Printable A4 conversion cheat sheet — see the Downloads page