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Conversion Table - American Wire Gauge (AWG) to Inches and mm
Gauge Size
4
6
8
10
12
14
16
18
20
21
22
24
26
28
30
Diameter in inches
.2043
.1618
.1283
.1019
.0808
.0641
.0508
.0403
.0320
.0285
.0253
.0201
.0159
.0125
.0100
Diameter in mm
5.19
4.11
3.26
2.59
2.05
1.63
1.29
1.02
.813
.723
.643
.511
.404
.320
.254