Calcsite / Misc / Horsepower Calculator
Misc

Horsepower Calculator

Calculate horsepower from torque and RPM.

lb-ft
Horsepower

How this calculator works

Torque and horsepower are always equal at exactly 5252 RPM — below that engine speed torque is higher, above it horsepower is higher, for any given torque curve.

Formula

horsepower = (torque × RPM) ÷ 5252