When is motor output power a useful specification and how is it calculated?

For an electric motor, output power is found by multiplying the motor's output torque by its rotational speed at that torque level.

How to calculate motor output power based on speed and torque: A Motion Control Classroom video

Solved -DC Motor Steady-state Equations Example 2 A PM-DC

Electric motor - Wikipedia

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How to Calculate the RPM of a Motor

Brushless Motor Power and Efficiency Calculations - Tyto Robotics

Specifications of EBARA induction motor-pump.

What is the formula to calculate the power consumed by an electric motor? - Quora

Control Tutorials for MATLAB and Simulink - Motor Speed: System Modeling