Convert horsepower (mechanical) to watt
1 hp = 745.6998716 W
1 hp = 746 W
1 hp in every power unit
| milliwatt | 746,000 mW |
| watt | 746 W |
| kilowatt | 0.746 kW |
| megawatt | 0.000746 MW |
| horsepower (mechanical) | 1 hp |
| BTU per hour | 2,540 BTU/h |
| ton of refrigeration | 0.212 ton |
How the conversion works
Multiply by 745.6998716 to go from horsepower (mechanical) to watt, 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? watt to horsepower (mechanical) — 1 W = 0.00134102209 hp.
horsepower (mechanical) to watt — common values
| 1 hp | 745.69987 W |
| 2 hp | 1,491.3997 W |
| 3 hp | 2,237.0996 W |
| 5 hp | 3,728.4994 W |
| 10 hp | 7,456.9987 W |
| 15 hp | 11,185.498 W |
| 20 hp | 14,913.997 W |
| 25 hp | 18,642.497 W |
| 50 hp | 37,284.994 W |
| 75 hp | 55,927.49 W |
| 100 hp | 74,569.987 W |
| 250 hp | 186,424.97 W |
| 500 hp | 372,849.94 W |
| 1000 hp | 745,699.87 W |