Calculate torque from horsepower and RPM, horsepower from torque and RPM, torque conversions, wheel torque estimates, and drivetrain loss. Use this torque calculator for engine performance, dyno estimates, gearing comparisons, and power calculations.
Torque from horsepower:
Enter horsepower and RPM to calculate torque in pound-feet and newton-meters.
Horsepower from torque:
Enter torque and RPM to calculate horsepower.
Wheel torque estimate:
Uses engine torque, gear ratio, transmission ratio, and drivetrain loss to estimate wheel torque.
Torque conversion:
Converts torque between pound-feet and newton-meters.
A torque calculator helps connect torque, horsepower, RPM, gearing, and wheel force.
It can help compare engine output, estimate wheel torque, understand dyno numbers, convert torque units, and evaluate performance changes.
Your result shows torque in pound-feet and newton-meters, horsepower, RPM, estimated wheel torque, drivetrain loss, gearing multiplier, wheel force, and torque conversion values. These are estimates based on the values you enter.
Multiply horsepower by 5252, then divide by RPM. This gives torque in pound-feet when using the standard horsepower formula.
Multiply torque by RPM, then divide by 5252.
In the standard lb-ft horsepower formula, 5252 is the constant that relates torque and RPM, so horsepower and torque are numerically equal at that RPM.
Wheel torque is the torque estimated at the wheels after gear multiplication and drivetrain loss.