BuildWire Calc

Free voltage-drop and wire-size calculator for electrical contractors.

Meet BuildWire Calc

BuildWire Calc is a free electrical calculator for voltage drop and wire sizing. Built for contractors who need quick, practical checks alongside their field tools. Available on web, Android, and Mac.

Made by

Jun LiMaker

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Product details

Website: buildwirecalc.com
Status: Launched
Category: Utilities
Listed: Nov 6, 2026

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