Wire Sizes and Spacing/Metric to AWG Table

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American Wire Gauge (AWG) with Metric Equivalents

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.