Voltage Drop Calculator

Calculate voltage drop in wires based on material, size, current, and distance.

V
A
m
Voltage Drop: -
Drop Percentage: -
Voltage at Load: -

Instructions

How to Use:

  • Select Wire Material (Copper or Aluminum).
  • Select Wire Size (AWG).
  • Enter Source Voltage, Load Current, and Distance.
  • Click Calculate to see the voltage drop and final voltage.

Note: Calculations assume a 2-wire DC or single-phase AC circuit (round trip distance).