Convert Horsepower to Kilowatts
1 horsepower (mechanical) = 0.74569987 kilowatts. Multiply the number of horsepower by 0.745699871582.
Result
1 hp = 0.7456998716 kW
Multiply the number of horsepower by 0.745699871582.
Results are rounded for display. Double-check values for critical work.
Horsepower to Kilowatts table
| Horsepower | Kilowatts |
|---|---|
| 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 |
| 10 hp | 7.4569987 kW |
| 20 hp | 14.913997 kW |
| 25 hp | 18.642497 kW |
| 50 hp | 37.284994 kW |
| 100 hp | 74.569987 kW |
| 500 hp | 372.84994 kW |
| 1000 hp | 745.69987 kW |
Horsepower to Kilowatts in your head
Multiply by 3, then divide by 4.
That lands within 0.6% of the exact value.
10 hp → 7.5 kW in your head, 7.457 kW exactly.
About these units
The horsepower (mechanical) (hp) is an imperial unit of power, equal to 745.69987 watts.
The kilowatt (kW) is a metric unit of power, equal to 1,000 watts.
Going the other way, 1 kilowatt = 1.3410221 horsepower. Power is energy per unit time — engine output in horsepower, air-conditioning capacity in tons, appliance draw in watts. All of them convert cleanly through the watt.
Frequently asked
- How many kilowatts are in a horsepower (mechanical)?
- 1 horsepower (mechanical) = 0.74569987 kilowatts.
- How do you convert horsepower to kilowatts?
- Multiply the number of horsepower by 0.745699871582.
- What is 10 hp in kW?
- 10 hp = 7.4569987 kW.