Wire Sizing Tool · 003

Pick the wire.
Skip the voltage loss.

Enter your system voltage, current draw, and one-way wire distance to find the voltage drop and whether your wire gauge is safe to use.

Voltage Drop & Wire Gauge Calculator

Select inputs

System Voltage V

Current A

One-way Distance ft

Wire Gauge (AWG)

Wire Material

Circuit Type

Voltage Drop —

Drop Percentage —

Voltage at Load —

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