To convert watts to horsepower, use horsepower = watts × 0.0013410221. For example, 5 W = 0.00670511 hp.
How to convert Watts to HP
- Type the value in watts.
- The answer in horsepower appears instantly, with the formula.
- Use ⇄ to swap the direction, or pick other units.
Watts to HP formula
horsepower = watts × 0.0013410221
Example: 5 W = 0.00670511 hp.
Reverse: 1 hp = 745.69987 W.
Watts to HP conversion table
| Watt (W) | Horsepower (hp) |
|---|---|
| 1 | 0.00134102 |
| 5 | 0.00670511 |
| 10 | 0.0134102 |
| 20 | 0.0268204 |
| 25 | 0.0335256 |
| 50 | 0.0670511 |
| 75 | 0.100577 |
| 100 | 0.134102 |
| 125 | 0.167628 |
| 150 | 0.201153 |
| 200 | 0.268204 |
| 250 | 0.335256 |
| 300 | 0.402307 |
| 400 | 0.536409 |
| 500 | 0.670511 |
| 600 | 0.804613 |
| 750 | 1.00577 |
| 800 | 1.07282 |
| 1,000 | 1.34102 |
| 1,500 | 2.01153 |
| 2,000 | 2.68204 |
| 5,000 | 6.70511 |
| 10,000 | 13.4102 |
About these units
Watt (W): The SI unit of power: one joule per second.
Horsepower (hp): Mechanical (imperial) horsepower, about 745.7 W.
Frequently asked questions
How many horsepower are in a watt?
There are 0.0013410221 horsepower in one watt.
How do I convert watts to horsepower?
horsepower = watts × 0.0013410221. Example: 5 W = 0.00670511 hp.
Updated October 2026 · Built and tested by Sharjeel Tahir · How our tools are tested