Torque / Amp-Hour Calculator

Motor Torque Constant oz-in/amp
Stall Amperage: Voltage Constant: RPM/volt
Operating Voltage: volts
Weight Class: Robot Weight: lbs.
Motors per Side:
Wheel Diameter:inches Tire Coefficient of Friction:
Gear Ratio:1
Average % of Peak Drain: e.g. what % of peak is the average?

Explanation of Fields:


High Contrast Version:


Download Motor Data:
Torque (per motor) to spin wheels   oz-in
Amps (per motor) to spin wheels  Amps
Theoretical Top Speed  MPH
Total Peak Amps  Amps
Amp Hours Required - 3 Min  AH
Amp Hours Required - 5 Min  AH