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Torque.
Torque at the motor is meaningless if it doesn’t translate at the wheels. This tool shows what your drivetrain is really doing once gearing is applied.
Get the ratio wrong, and you’ll either build something slow, inefficient — or something that breaks.
And don’t get Stuck - Getting up that driveway
**** These online tools are still under development ****
Some functions may not work or provide accurate results
Always check and verify calculations by a professional - or give us a call
Motor Torque to Wheel Torque
Convert motor torque into wheel torque, tractive effort, road speed, startability and gradeability. Built for EV conversions, heavy driveline sizing, gear-ratio sanity checks, and catching gearing decisions before they become expensive nonsense.
Motor Inputs
Torque envelopeDefaults are representative heavy-duty EV values. Use a real motor datasheet curve when you actually care about the result.
Vehicle Inputs
Road-load model295/80R22.5 means 295 mm width, 80% aspect ratio, and 22.5 inch rim. The fields below automatically hide or lock depending on the selected tyre radius source. Hover the ? icons for field-specific hints.