Wire sizes: Metric to AWG

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Summary: American Wire Gauge with Metric Equivalents Table

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This is a quick reference between AWG and Metric wire gauges.

American Wire Gauge (AWG) with Metric Equivalents
AWG Diameter (Inches) millimetres millimetres squared Nearest Size (mm2)
7
0.1443
3.67
10.55
10
8
0.1285
3.26
8.36
--
10
0.1019
2.59
5.26
6.0
12
0.0808
2.05
3.31
4.0
14
0.0641
1.63
2.08
2.5
16
0.0508
1.29
1.31
1.5
17
0.0453
1.15
1.04
1.0
18
0.0403
1.02
0.82
1.0
19
0.0359
0.91
0.65
0.75
20
0.032
0.81
0.52
0.5

Not all sizes are shown. For the equivalent to 22AWG, use the 20AWG or 0.5mm2. If in doubt, use the next larger size.