Wire Size Calculator (AWG) Select AWG (4/0 to 40): — Select — 4/0 3/0 2/0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Diameter: mm / in Area: mm² / in² / Circular Mils Wire Size Comparison
