Horsepower to Watts
Convert horsepower to watts instantly. 1 hp = 745.7 W
Result
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Quick answers
- 1 hp = 745.7 W
- 100 hp = 74,570 W
- 150 hp = 111,855 W
- 200 hp = 149,140 W
- 300 hp = 223,710 W
- 500 hp = 372,850 W
Horsepower to Watts conversion table
| Horsepower (hp) | Watts (W) |
|---|---|
| 1 hp | 745.7 W |
| 5 hp | 3,728.5 W |
| 10 hp | 7,457 W |
| 50 hp | 37,285 W |
| 100 hp | 74,570 W |
| 150 hp | 111,855 W |
| 200 hp | 149,140 W |
| 250 hp | 186,425 W |
| Horsepower (hp) | Watts (W) |
|---|---|
| 300 hp | 223,710 W |
| 350 hp | 260,995 W |
| 400 hp | 298,280 W |
| 500 hp | 372,850 W |
| 600 hp | 447,420 W |
| 700 hp | 521,990 W |
| 1,000 hp | 745,700 W |
Conversion formula
watts = horsepower × 745.6998716
Example: 150 hp × 745.6998716 = 111,855 W
Mechanical horsepower, used in the US and UK, is 550 foot-pounds per second, about 745.7 watts. The watt is the SI unit of power, one joule per second.
You may also see this conversion written as “hp to watts”.
Questions
How many watts are in one horsepower?
One horsepower is 745.699872 watts.
How do you convert horsepower to watts?
Multiply by 745.6998716. The factor comes from the exact definitions of both units, so the only rounding is in the display.
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