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Wire Size Reference

GaugeDecimal (in)Metric (mm)
3/0 (.362)0.3629.19
2/0 (.331)0.3318.41
1/0 (.307)0.3077.80
1 (.283)0.2837.19
2 (.263)0.2636.68
3 (.244)0.2446.20
4 (.225)0.2255.72
5 (.207)0.2075.26
6 (.192)0.1924.88
7 (.177)0.1774.50
8 (.162)0.1624.11
9 (.148)0.1483.76
10 (.135)0.1353.43
11 (.120)0.1203.05
12 (.106)0.1062.69
13 (.091)0.0912.31
14 (.080)0.0802.03
15 (.072)0.0721.83
16 (.063)0.0631.60
17 (.054)0.0541.37
18 (.047)0.0471.19
19 (.041)0.0411.04
20 (.035)0.0350.89