DC Motor Calculator

Calculate DC motor performance including torque, speed, efficiency, and power characteristics.

Motor Specifications

Operating Voltage (V)

No-Load Current (A)

Stall Current (A)

No-Load Speed (RPM)

Load Current (A) - for analysis

3684

Speed (RPM)

65.3

Torque (mN-m)

Efficiency: 70.0%

Armature Resistance1.200 Ohms

Back EMF Constant Ke2.280 mV/RPM

Torque Constant Kt21.772 mN-m/A

Stall Torque217.7 mN-m

Input Power36.00 W

Mechanical Power25.20 W

Copper Loss10.80 W