Convert Horsepower to Watt
Use this free converter to change horsepower (hp) into watts (W). Horsepower and watt both measure power. As a quick reference, 1 hp equals 745.69987 W, and 1 W equals 0.0013410221 hp.
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Watt (W)
745.69987
1 hp = 745.69987 W
Power conversion table
| Horsepower | Watt |
|---|---|
| 0.01 | 7.4569987 |
| 0.1 | 74.569987 |
| 0.5 | 372.84994 |
| 1 | 745.69987 |
| 2 | 1491.3997 |
| 3 | 2237.0996 |
| 5 | 3728.4994 |
| 10 | 7456.9987 |
| 20 | 14913.997 |
| 25 | 18642.497 |
| 50 | 37284.994 |
| 100 | 74569.987 |
| 1,000 | 745699.87 |
How to convert Horsepower to Watt
Multiply the horsepower value by 745.69987 to get watts.
- Enter the number of horsepower you want to convert.
- The converter instantly shows the equivalent value in watts.
- Worked example: 15 hp × 745.69987 = 11185.498 W.
- Use the swap button to reverse the conversion (watt to horsepower).
About these units
Horsepower (hp)
- Definition
- Horsepower (hp) is a unit of power equal to about 745.7 watts in its mechanical definition.
- History
- Defined by James Watt to compare steam engines with the work of draft horses.
- Current use
- Horsepower rates car, motorcycle, and machinery engines, especially in the US.
Watt (W)
- Definition
- The watt (W) is the SI unit of power, equal to one joule of energy per second.
- History
- Named after James Watt, the improver of the steam engine.
- Current use
- Watts rate the power of light bulbs, appliances, and electronics everywhere.
Frequently asked questions
How many watts are in a horsepower?
There are 745.69987 W in 1 hp. To convert, multiply the number of horsepower by 745.69987.
How do I convert horsepower to watts?
Multiply the horsepower value by 745.69987 to get watts. For example, 10 hp = 7456.9987 W.
Is this horsepower-to-watt converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Horsepower to other power units
| Unit | 1 Horsepower equals |
|---|---|
| Watt (W) | 745.69987 W |
| Kilowatt (kW) | 0.74569987 kW |
| Megawatt (MW) | 0.00074569987 MW |
| Metric Horsepower (PS) | 1.0138697 PS |
| BTU per Hour (BTU/h) | 2544.4336 BTU/h |