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Horsepower Calculator

Calculate shaft horsepower from torque and engine RPM.

lb-ft
RPM
Horsepower
314.17 hp
HP = torque (lb-ft) × RPM ÷ 5,252
Torque300 lb-ft
Engine speed5,500 RPM
Kilowatts234.274 kW

About the Horsepower Calculator

Calculate shaft horsepower from torque and engine RPM.

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.

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