About

About Wire Math

Wire Math is a static, mobile-first calculator and reference site for electricians, installers, engineers, and DIY users who need fast wire-sizing answers on real job sites.

What we publish

Practical electrical tools

AWG to metric conversion and nearest-size matching.
Voltage-drop planning with sizing suggestions.
Ampacity reference tables with visible assumptions.
Resistance estimates for copper and aluminum conductors.

How we operate

Utility first

No user accounts and no backend user database.
Calculator speed and readability are prioritized over visual clutter.
No ads or affiliate links are currently active.
Reference data is versioned and labeled on-page.