DC Electric Motor Equations

(Created 16 February 2020)
(Revised April 2024)

Find for Amps.
Find for Horsepower.

: Motor Power (Horsepower)
: Motor Current (Amps)
: Motor Voltage
: Motor Efficiency (%)


Formulas for DC Motors

Amps = (H * 745.7) / (V * E)

H = (V * A * E) / 745.7

Where:

H = Horsepower
V = Volts
A = Amps
E = Motor Efficiency (%).

CONSOLE OUTPUT: