Convert American Wire Gauge sizes to square millimeters, wire diameter, circular mils, inches, and millimeters for electrical wire size comparisons.
14 AWG:
2.08 mm² / 1.628 mm diameter
12 AWG:
3.31 mm² / 2.053 mm diameter
10 AWG:
5.26 mm² / 2.588 mm diameter
8 AWG:
8.37 mm² / 3.264 mm diameter
AWG to mm² conversions are useful for electrical wiring, solar wiring, battery cable, automotive wiring, low-voltage wiring, speaker wire, control wire, and comparing US wire sizes to metric wire sizes.
Use this converter when comparing AWG gauge numbers with conductor area, wire diameter, circular mils, and metric square millimeter sizes.
Your result shows the selected AWG wire size converted into square millimeters, wire diameter, and circular mils. Square millimeters measure the conductor cross-sectional area.
This converter compares physical wire size only. It does not calculate ampacity, breaker size, voltage drop, conduit fill, insulation rating, temperature correction, or electrical code compliance.
12 AWG is about 3.31 square millimeters of conductor area.
10 AWG is about 5.26 square millimeters of conductor area.
No. AWG is a gauge number system, while mm² is a metric area measurement. This converter helps compare them.
AWG is an inverse gauge system, so lower gauge numbers represent larger wire diameters and larger conductor areas.
No. Safe amperage depends on conductor material, insulation rating, temperature, installation conditions, and electrical code.