Engine Horsepower Calculator

Estimate engine output from torque and RPM using the standard horsepower relation.

Horsepower

314.17 hp

HP = torque (lb-ft) × RPM ÷ 5,252

Torque300 lb-ft

Engine speed5,500 RPM

Kilowatts234.274 kW

About the Engine Horsepower Calculator

Estimate engine output from torque and RPM using the standard horsepower relation.

It runs entirely in your browser — nothing you type is sent to a server — and the result updates as you edit the inputs. Estimates are for educational and informational purposes only; see ourdisclaimer.

Common searches

motor power
torque rpm
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