Calculate Cable Size

"The industry bible—no batteries required. While apps are fast, nothing beats Ugly's for reliability. It contains the complete NEC (National Electrical Code) tables for conductor properties and voltage drop formulas.

"Great for office work, but double-check your inputs. This is my go-to web calculator when working from my laptop. It breaks the calculation down into layman's terms, explaining why a specific gauge is recommended. It handles the 'Voltage Drop' factor very clearly, which many cheap calculators ignore. calculate cable size