Convert watt to horsepower (mechanical)
1 W = 0.00134102209 hp
1 W = 0.001341 hp
1 W in every power unit
| nanowatt | 1,000,000,000 nW |
| erg per second | 10,000,000 erg/s |
| microwatt | 1,000,000 μW |
| milliwatt | 1,000 mW |
| foot pound-force per minute | 44.254 ft·lbf/min |
| BTU per hour | 3.4121 BTU/h |
| watt | 1 W |
| kilocalorie per hour | 0.85985 kcal/h |
| foot pound-force per second | 0.73756 ft·lbf/s |
| thousand BTU per hour | 0.0034121 MBH |
| metric horsepower | 0.0013596 PS |
| horsepower (mechanical) | 0.001341 hp |
| electrical horsepower | 0.0013405 hp (elec) |
| kilowatt | 0.001 kW |
| ton of refrigeration | 0.00028435 ton |
| boiler horsepower | 0.00010194 bhp |
| million BTU per hour | 0.0000034121 MMBTU/h |
| megawatt | 0.000001 MW |
| gigawatt | 1.0000e-09 GW |
| terawatt | 1.0000e-12 TW |
| solar luminosity | 2.6123e-27 Lsun |
How the conversion works
Multiply by 0.00134102209 to go from watt to horsepower (mechanical), or divide by it to go back. Every conversion on this site routes through the SI value (W) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.
Going the other way? horsepower (mechanical) to watt — 1 hp = 745.6998716 W.
watt to horsepower (mechanical) — common values
| 1 W | 0.0013410221 hp |
| 2 W | 0.0026820442 hp |
| 3 W | 0.0040230663 hp |
| 5 W | 0.0067051104 hp |
| 10 W | 0.013410221 hp |
| 15 W | 0.020115331 hp |
| 20 W | 0.026820442 hp |
| 25 W | 0.033525552 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 |
| 1000 W | 1.3410221 hp |