Watts to Horsepower (mechanical)s (W to hp)
Free online watt to horsepower (mechanical) converter. Type a value, get an instant exact result — plus the formula, a ready-made conversion table, and reverse conversion.
POWER CONVERTER — INSTANT RESULT
Formula: multiply the watt value by 0.0013410221 — i.e. hp = W × 0.0013410221
Quick check: 1 W = 0.0013410221 hp
Quick check: 1 W = 0.0013410221 hp
Watts to Horsepower (mechanical)s conversion table
| Watts (W) | Horsepower (mechanical)s (hp) |
|---|---|
| 1 W | 0.0013410221 hp |
| 2 W | 0.0026820442 hp |
| 3 W | 0.0040230663 hp |
| 4 W | 0.0053640884 hp |
| 5 W | 0.0067051104 hp |
| 6 W | 0.0080461325 hp |
| 7 W | 0.0093871546 hp |
| 8 W | 0.010728177 hp |
| 9 W | 0.012069199 hp |
| 10 W | 0.013410221 hp |
| 15 W | 0.020115331 hp |
| 20 W | 0.026820442 hp |
| 25 W | 0.033525552 hp |
| 30 W | 0.040230663 hp |
| 40 W | 0.053640884 hp |
| 50 W | 0.067051104 hp |
| 75 W | 0.10057666 hp |
| 100 W | 0.13410221 hp |
| 250 W | 0.33525552 hp |
| 500 W | 0.67051104 hp |
| 1,000 W | 1.34102209 hp |
How to convert watts to horsepower (mechanical)s
To convert watts to horsepower (mechanical)s, multiply the amount in watts by 0.0013410221. For example, 10 W = 0.013410221 hp. To convert in the other direction, divide by the same factor, or use the ⇄ swap button above.
Convert between watts, horsepower, BTU per hour and foot-pounds per second. Mechanical horsepower is defined as exactly 550 ft·lbf/s = 745.699871582 W; metric horsepower (PS) is 75 kgf·m/s = 735.49875 W.
Frequently asked questions
How many horsepower (mechanical)s are in one watt?
One watt is exactly 0.0013410221 horsepower (mechanical)s.
How do I convert W to hp?
Multiply the W value by 0.0013410221 to get hp. The converter at the top of this page does this automatically and works in both directions.
How much is 100 watts in horsepower (mechanical)s?
100 watts equals 0.13410221 horsepower (mechanical)s.