AWG Calculator: Wire Size

Professional Electrical Calculations Made Simple AWG Calculator is a professional tool for electricians who need fast, practical, code-based electrical calculations in the field, during planning, or while reviewing installations. It brings together everyday electrical tools, NEC-style reference tables, residential service load calculations, HVAC tools, and electrical estimating features in one app. Key Features • Ampacity of conductors • Voltage drop calculation • Breaker size calculation • Conduit size calculation • Box fill calculation • Branch circuit calculation • Service calculation • Standard Method residential load calculation • Optional Method residential load calculation • HVAC Basic and HVAC Advanced calculations • Daily electrical question • Common electrical distribution system references • Electrical estimate creator • NEC-style reference tables Reference & Learning Tools • Organized electrical reference tables • Interactive table browsing • Daily question for electricians • Common electrical distribution system diagrams and explanations • Installation recommendation references for HVAC work Calculation Tools • Conductor ampacity review • Voltage drop and conductor selection • Breaker sizing • Conduit sizing and fill area review • Box fill calculations • Branch circuit calculation • Service and dwelling load calculations • HVAC conductor and breaker recommendations Estimate & Productivity Tools • Material list creation • Electrical job list creation • Generate and review estimates • Copy estimate summary for sharing • Save and manage estimate-related data inside the app Built for Electricians AWG Calculator is designed to help electricians save time, reduce mistakes, and work with more confidence across residential, commercial, and general field-use scenarios.