Convert Horsepower to Watts
1 horsepower (mechanical) = 745.69987 watts. Multiply the number of horsepower by 745.699871582.
Result
1 hp = 745.6998716 W
Multiply the number of horsepower by 745.699871582.
Results are rounded for display. Double-check values for critical work.
Horsepower to Watts table
| Horsepower | Watts |
|---|---|
| 1 hp | 745.69987 W |
| 2 hp | 1,491.3997 W |
| 3 hp | 2,237.0996 W |
| 4 hp | 2,982.7995 W |
| 5 hp | 3,728.4994 W |
| 10 hp | 7,456.9987 W |
| 20 hp | 14,913.997 W |
| 25 hp | 18,642.497 W |
| 50 hp | 37,284.994 W |
| 100 hp | 74,569.987 W |
| 500 hp | 372,849.94 W |
| 1000 hp | 745,699.87 W |
About these units
The horsepower (mechanical) (hp) is an imperial unit of power, equal to 745.69987 watts.
The watt (W) is an SI base or derived unit of power.
Going the other way, 1 watt = 0.0013410221 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 watts are in a horsepower (mechanical)?
- 1 horsepower (mechanical) = 745.69987 watts.
- How do you convert horsepower to watts?
- Multiply the number of horsepower by 745.699871582.
- What is 10 hp in W?
- 10 hp = 7,456.9987 W.