Horsepower Calculator
HP from Torque & RPM
Convert Power Units
Formula
HP = (Torque × RPM) / 5252 | 1 HP = 745.7 W
Frequently Asked Questions
How is horsepower calculated?
HP = (Torque × RPM) / 5252. One horsepower equals 745.7 watts or 33,000 ft-lbs of work per minute. Metric horsepower (PS) is slightly different: 1 HP = 1.01387 PS.