watts to hp converter
1 watt equals 0.0013410221 mechanical horsepower. Conversions use hp = W × 0.001341
W → 0.0013410221 hp
hp = W × 0.001341
Converter
Worked examples
- 1 W = 0.0013410221 hp
- 2 W = 0.0026820442 hp
- 5 W = 0.0067051104 hp
- 10 W = 0.01341022 hp
- 100 W = 0.13410221 hp
watts to mechanical horsepower conversion table
| W | hp | Arithmetic |
|---|---|---|
| 1 W | 0.0013410221 hp | × 0.001341 |
| 2 W | 0.0026820442 hp | × 0.001341 |
| 3 W | 0.0040230663 hp | × 0.001341 |
| 4 W | 0.0053640884 hp | × 0.001341 |
| 5 W | 0.0067051104 hp | × 0.001341 |
| 6 W | 0.0080461325 hp | × 0.001341 |
| 8 W | 0.01072818 hp | × 0.001341 |
| 10 W | 0.01341022 hp | × 0.001341 |
| 12 W | 0.01609227 hp | × 0.001341 |
| 15 W | 0.02011533 hp | × 0.001341 |
| 20 W | 0.02682044 hp | × 0.001341 |
| 25 W | 0.03352555 hp | × 0.001341 |
| 30 W | 0.04023066 hp | × 0.001341 |
| 40 W | 0.05364088 hp | × 0.001341 |
| 50 W | 0.0670511 hp | × 0.001341 |
| 60 W | 0.08046133 hp | × 0.001341 |
| 70 W | 0.09387155 hp | × 0.001341 |
| 80 W | 0.10728177 hp | × 0.001341 |
| 90 W | 0.12069199 hp | × 0.001341 |
| 100 W | 0.13410221 hp | × 0.001341 |
How to convert W to hp
- Take your value in watts.
- Multiply by 0.001341
- That is your answer in mechanical horsepower — no rounding needed until you choose a display precision.
Related conversions
hp to WW to kWW to MWW to PSW to BTU/hkW to hpMW to hphp to kWhp to MWall power units
Questions
How many mechanical horsepower in 1 watt?
Exactly 0.0013410221 hp. The factor follows from the definitions of both units, not from a measurement, so it is exact.
How do I convert W to hp?
Multiply the watts figure by 0.001341 — or use the converter above, which updates as you type.
Is W to hp the same as hp to W?
No — they are inverses. One W is 0.0013410221 hp, while one hp is 745.7 W.
What is 1 W in hp?
1 W = 0.0013410221 hp (see the value page for the full arithmetic).