1 hp equals 0.7457 kW. To convert hp to kW, multiply the value by 0.7457; divide by 0.7457 to convert back. Enter any number above and the result appears instantly — free and entirely in your browser.
How do you convert hp to kW?
The conversion formula is kW = hp × 0.7457. The conversion factor is fixed by definition, so the result is always exact.
hp to kW conversion table
| hp | kW |
|---|---|
| 1 hp | 0.7457 kW |
| 5 hp | 3.7285 kW |
| 10 hp | 7.457 kW |
| 50 hp | 37.285 kW |
| 100 hp | 74.57 kW |
| 150 hp | 111.855 kW |
What is hp (hp)?
Mechanical horsepower (hp) equals about 745.7 watts. It is the imperial engine-power unit used in the US and UK — slightly larger than the metric PS.
What is kW (kW)?
The kilowatt (kW) equals 1,000 watts. It is the legal unit for engine power in the EU and rates appliances, motors and electric-car charging speeds.
Why convert hp to kW?
Car engines are rated in kilowatts by EU law, but everyday talk uses horsepower — PS in Europe, hp in the US and UK. Converting between kW, PS and hp is a constant need when comparing cars.
One metric horsepower (PS) is defined as exactly 735.49875 W, so 1 kW = 1.3596 PS. Mechanical horsepower (hp) is 745.7 W, giving 1 kW = 1.341 hp — the two horsepowers differ by about 1.4%.
How to convert hp to kW
- Enter the value in hp into the left field of the converter.
- Read the result in kW instantly in the right field — it updates automatically.
- Use the swap button to reverse the direction (kW to hp).
The converter runs entirely in your browser: no uploads, no queue, no limits. You can even use it offline.