Power
Convert mechanical horsepower (hp) to watt (W). Power is energy per unit time — the rating of pumps, compressors, motors, and heat duties.
1 hp = 745.6999 W
To convert mechanical horsepower to watt, multiply the hp value by 745.6999. To go the other way, divide by 745.6999 (or multiply by 0.001341022).
| hp | W |
|---|---|
| 1 | 745.6999 |
| 2 | 1491.4 |
| 5 | 3728.499 |
| 10 | 7456.999 |
| 25 | 18642.5 |
| 50 | 37284.99 |
| 100 | 74569.99 |
| 250 | 186425 |
| 500 | 372849.9 |
| 1000 | 745699.9 |
Rotating-equipment duties are quoted in kW or hp; heat duties in kW, MW, or BTU/hr.
Electrical input, shaft power, and hydraulic power differ by the efficiencies between them — label which one a number refers to.
Worked example. A power of 134.1022 hp is 100000 W.
Multiply the value in hp by 745.6999 to get W. For example, 10 hp = 7456.999 W.
1 hp equals 745.6999 W.
Rotating-equipment duties are quoted in kW or hp; heat duties in kW, MW, or BTU/hr.