Conversion Formula
$$W = hp \times 745.7$$
Multiply the value in Horsepower (Mechanical) by 745.7 to get Watt.
hp to W Conversion Table
| Horsepower (Mechanical) (hp) | Watt (W) |
|---|---|
| 0.1 | 74.57 |
| 0.5 | 372.85 |
| 1 | 745.7 |
| 2 | 1,491.4 |
| 5 | 3,728.5 |
| 10 | 7,457 |
| 25 | 18,642.5 |
| 50 | 37,285 |
| 100 | 74,570 |
| 250 | 186,425 |
| 500 | 372,850 |
| 1,000 | 745,700 |
hp to W in Engineering
Power conversions are critical for motor selection, HVAC load calculations, electrical system design, and energy analysis. Engineers frequently convert between horsepower, kilowatts, and BTU/h across disciplines.
Horsepower (Mechanical): Imperial mechanical horsepower (550 ft路lbf/s). Standard for motors and engines in US practice.
Watt: SI unit of power equal to one joule per second. Fundamental unit for all power calculations.