Wire Size Calculator
Find the smallest AWG/kcmil wire size that meets both ampacity and allowable voltage drop for your load, length and voltage.
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Formula
Pick the smallest size where ampacity ≥ design current AND Vd = k·ρ·L·I/A ≤ allowed %Find the smallest AWG/kcmil wire size that meets both ampacity and allowable voltage drop for your load, length and voltage.
Pick the smallest size where ampacity ≥ design current AND Vd = k·ρ·L·I/A ≤ allowed %