Wire Size Conversion Chart

WIRE SIZE
Wiring Diagrams identify wires by the metric wire size. Metric wire sizes indicate cross-sectional area in square millimeter (mm sq.). The chart below lists metric wire sizes and their equivalents in American Wire Gauge (AWG) sizes.

Metric size American
(Cross-sectional Wire Gauge
area-mm sq.) (AWG)

0.35 22
0.50 20
0.75 18
1.00 16
1.50 14
2.50 12
4.00 10
6.00 8
16.00 4
25.00 2
35.00 2