Engine Horsepower Calculator
Horsepower relates torque and rotational speed by hp = torque × RPM ÷ 5,252.
This calculator is free to use. Enable JavaScript to enter your values and see a result instantly.
How it works
Horsepower relates torque and rotational speed by hp = torque × RPM ÷ 5,252.
Worked example
300 lb-ft at 5,000 RPM is about 286 hp.
Keep in mind
Measured output can differ because of drivetrain and test conditions.