How to convert horsepowers to kilowatts
kW = hp × 0.7456998716
Example: 5 hp × 0.7456998716 = 3.728499358 kW
Horsepowers to Kilowatts table
| Horsepowers (hp) | Kilowatts (kW) |
|---|---|
| 0.5 hp | 0.37284994 kW |
| 1 hp | 0.74569987 kW |
| 2 hp | 1.4913997 kW |
| 3 hp | 2.2370996 kW |
| 4 hp | 2.9827995 kW |
| 5 hp | 3.7284994 kW |
| 6 hp | 4.4741992 kW |
| 7 hp | 5.2198991 kW |
| 8 hp | 5.965599 kW |
| 9 hp | 6.7112988 kW |
| 10 hp | 7.4569987 kW |
| 15 hp | 11.185498 kW |
| 20 hp | 14.913997 kW |
| 25 hp | 18.642497 kW |
| 30 hp | 22.370996 kW |
| 40 hp | 29.827995 kW |
| 50 hp | 37.284994 kW |
| 75 hp | 55.92749 kW |
| 100 hp | 74.569987 kW |
| 250 hp | 186.42497 kW |
| 500 hp | 372.84994 kW |
| 1,000 hp | 745.69987 kW |
About these units
Horsepowers (hp): Mechanical (imperial) horsepower is about 745.7 watts. Car and engine power in the US and UK is often given in hp.
Kilowatts (kW): A kilowatt is 1,000 watts, used for engines, motors, heaters and solar systems.
Frequently asked questions
How many kilowatts are in 1 horsepower?
1 horsepower (hp) equals 0.7456998716 kilowatts (kW).
How do I convert hp to kW?
Multiply the value in horsepowers by 0.7456998716. For example, 5 hp × 0.7456998716 = 3.728499358 kW.
How do I convert kilowatts back to horsepowers?
Multiply by 1.34102209 (or divide by 0.7456998716). 1 kW = 1.34102209 hp.
What is a horsepower?
Mechanical (imperial) horsepower is about 745.7 watts. Car and engine power in the US and UK is often given in hp.
Conversion factors come from exact international definitions (NIST SP 811, BIPM) where they exist. Results show up to 10 significant digits. Need every power unit at once? Use the Power Converter.