Engine Horsepower Calculator

Convert engine power between HP (BHP), kW, and metric PS.

Calculator

Power Value

From Unit

Torque (Nm) — optional, for torque method

RPM — for torque method

Result

—

P(kW) = Torque(Nm) × RPM ÷ 9549.3. If you enter both torque and RPM, they are used instead of the power value above. BHP (brake horsepower) = HP measured at crankshaft.

Press / to open · Esc to close