Horsepower Calculator

Convert engine torque and RPM to mechanical horsepower.

Torque (ft·lb)

RPM

Calculated Result

314.2 HP

318.5 PS

Formula: HP = τ × RPM / 5252

About this calculator

Use crank torque in pound-feet and engine speed. 1 HP ≈ 1.014 PS. Wheel horsepower is lower after drivetrain loss.

FormulaHP = torque(ft·lb) × RPM / 5252

HP = τ × RPM / 5252. PS = HP × 1.01387.

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