Horsepower to Watts
Convert Horsepower to Watts with an exact factor. One horsepower equals 745.69987158 Watts.
Result745.69987158
How to convert Horsepower to Watts
The converter above changes Horsepower into Watts instantly. As a reference point, one horsepower corresponds to 745.69987158 Watts, and one watt corresponds to 0.00134102 Horsepower. Use the table below for common values.
Horsepower × 745.69987158 = Watts
For example, 5 Horsepower = 3,728.49935791 Watts.
About the units
- Horsepower (hp) — Mechanical horsepower, about 745.7 watts.
- Watts (W) — The SI unit of power, one joule per second.
Horsepower to Watts conversion table
| Horsepower | Watts |
|---|---|
| 1 hp | 745.69987158 W |
| 2 hp | 1,491.39974316 W |
| 3 hp | 2,237.09961475 W |
| 5 hp | 3,728.49935791 W |
| 10 hp | 7,456.99871582 W |
| 20 hp | 14,913.99743165 W |
| 25 hp | 18,642.49678956 W |
| 50 hp | 37,284.99357911 W |
| 100 hp | 74,569.98715823 W |
| 150 hp | 111,854.98073734 W |
| 200 hp | 149,139.97431645 W |
| 500 hp | 372,849.93579114 W |
Watts to Horsepower conversion table
| Watts | Horsepower |
|---|---|
| 1 W | 0.00134102 hp |
| 2 W | 0.00268204 hp |
| 3 W | 0.00402307 hp |
| 5 W | 0.00670511 hp |
| 10 W | 0.01341022 hp |
| 20 W | 0.02682044 hp |
| 25 W | 0.03352555 hp |
| 50 W | 0.0670511 hp |
| 100 W | 0.13410221 hp |
| 150 W | 0.20115331 hp |
| 200 W | 0.26820442 hp |
| 500 W | 0.67051104 hp |
Frequently asked questions
How many Watts is one horsepower?
One horsepower is 745.69987158 Watts.
Are these power conversions accurate?
Yes. They use the exact standard unit definitions, so results are accurate to the number of decimals shown.
What is the formula to convert Horsepower to Watts?
Multiply the number of Horsepower by 745.69987158. To convert back, multiply Watts by 0.00134102.
This tool is provided for general information only. Verify important figures independently. · Last reviewed: August 25, 2026