# BuildWire Calc

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

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.

## Listing details

- Canonical BetaNeon page: https://betaneon.com/products/buildwire-calc
- Official website: https://buildwirecalc.com
- Category: Utilities / Calculators & unit conversion
- Status: Launched
- Topics: Android, Calculators, Web app, macOS
- Listing updated: 2026-11-06T03:21:55.848Z

This is a product introduction, not an endorsement. Confirm current availability, features, and prices on the official website. Community upvotes on BetaNeon are not star ratings.