# Armature Power (DC Motor) Calculator

Va - Armature Voltage
V
Ia - Armature Current
A
Pm  =  120watts
CALCULATE

DC motor armature mechanical power (Pm) calculator - step by step calculation, formula & solved example problem to find the armature mechanical power produced by an electrical DC motor. Armature voltage Va & armature current Ia are the key elements in this calculation.

## Formula for Armature Power

The below mathematical formula is used in this calculator to find the armature mechanical power of an electrical DC motor ### Solved Example

The below step by step solved example problem may helpful for users to understand how the input values are being used in such calculations to find the armature mechanical power of DC motor.
Example Problem
Find the armature mechanical power of a DC motor whose armature voltage Va = 215 volts & current Ia = 0.60 Amps.
Solution
The given data
Va = 215 volts
Ia = 0.60 Amps

Step by step calculation
Formula to find Pm = Va x Ia
substitute the values in the above formula
= 215 x 0.60
Pm = 129 watts

In the field of electrical engineering, while changing the armature voltage & current, it's required to calculate the armature mechanical power of the DC motor. The above formula, step by step calculation & solved example problem may be useful for users to understand how the values are being used in the formula to find the armature mechanical power, however, when it comes to online for quick calculations, this calculator helps the user to perform & verify such calculations as quick as possible.