Horsepower Calculator
Mechanical horsepower equals torque in pound-feet times RPM divided by 5,252.
This calculator is free to use. Enable JavaScript to enter your values and see a result instantly.
How it works
Mechanical horsepower equals torque in pound-feet times RPM divided by 5,252.
Worked example
250 lb-ft at 4,000 RPM is about 190 hp.
Keep in mind
Results are estimates; check the assumptions for your situation.