1 horsepower (hp) = 745.6998716 watts (W). To convert, multiply by 745.6998716: W = hp × 745.6998716. For example, 5 hp = 3,728.499358 W.
W = hp × 745.6998716
Horsepower to watts table
| Horsepower (hp) | Watts (W) |
|---|---|
| 1 | 745.6998716 |
| 2 | 1,491.399743 |
| 3 | 2,237.099615 |
| 4 | 2,982.799486 |
| 5 | 3,728.499358 |
| 10 | 7,456.998716 |
| 20 | 14,913.99743 |
| 25 | 18,642.49679 |
| 50 | 37,284.99358 |
| 100 | 74,569.98716 |
| 250 | 186,424.9679 |
| 500 | 372,849.9358 |
| 1,000 | 745,699.8716 |
The two units
Horsepower (hp). Mechanical (imperial) horsepower: 550 foot-pounds per second. Metric horsepower (PS) is slightly smaller.
Watt (W). The SI unit of power: one joule per second.
Convert horsepower to other units
- Horsepower to kilowatts — 1 hp = 0.7456998716 kW
- Horsepower to BTU per hour — 1 hp = 2,544.433578 BTU/h
Convert other units to watts
Questions people ask
- How many watts are in a horsepower?
- 745.6998716.
- How do you convert horsepower to watts?
- W = hp × 745.6998716. It is the same as dividing by 0.0013410221.
- How do you convert watts back to horsepower?
- hp = W ÷ 745.6998716. See watts to horsepower.
Results use the legal definitions of each unit and are checked against the Pint unit library. Display rounds to 10 significant digits. All unit conversions · More tools
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