Watts to Horsepower Converter
Convert watts to horsepower instantly. 1 W = 0.001341 hp. Free two-way converter with the formula and a quick reference table.
How to convert watts to horsepower
horsepower = watts × 0.001341
One watt equals 0.001341 horsepower, so to convert watts to horsepower you multiply by 0.001341. Going the other way, one horsepower is 745.7 watts. Both units measure power, so the conversion is an exact ratio that never changes.
10 watts = 0.01341 horsepower. Multiply your watt figure by the factor above (or just type it into the box) to convert any amount.
Need the other direction? horsepower to watts
watts to horsepower table
| watts (W) | horsepower (hp) |
|---|---|
| 1 | 0.001341 |
| 2 | 0.002682 |
| 3 | 0.004023 |
| 5 | 0.006705 |
| 10 | 0.01341 |
| 20 | 0.02682 |
| 25 | 0.033526 |
| 50 | 0.067051 |
| 100 | 0.134102 |
| 250 | 0.335256 |
| 500 | 0.670511 |
| 1,000 | 1.341 |
Frequently asked questions
How many horsepower are in a watt?
One watt equals 0.001341 horsepower. So to convert, multiply the number of watts by 0.001341.
How do I convert watts to horsepower?
Multiply by 0.001341, or simply enter the value in the converter above — it does the math instantly and works both ways.
Is this conversion exact?
Yes — both units measure the same quantity, so the ratio is fixed and this uses the standard internationally-agreed factor.