DC Motor Calculator
Calculate DC motor performance including torque, speed, efficiency, and power characteristics.
Motor Specifications
At Load Condition
3684
Speed (RPM)
65.3
Torque (mN-m)
Efficiency: 70.0%
Motor Constants
Armature Resistance1.200 Ohms
Back EMF Constant Ke2.280 mV/RPM
Torque Constant Kt21.772 mN-m/A
Stall Torque217.7 mN-m
Power Analysis
Input Power36.00 W
Mechanical Power25.20 W
Copper Loss10.80 W
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.