AWG Wire Gauge Calculator

Convert American Wire Gauge (AWG) to diameter, cross-section area and copper resistance per km.

How to use the AWG Wire Gauge Calculator

Enter or select: AWG gauge (e.g. 12, 0, 00, 4/0).
The results (Diameter, Area, Copper resistance) are calculated instantly as you type.
Use “Copy link” to share the calculation with the same input values.

Formula

d = 0.127 mm × 92^((36 − n)/39)