Conversions for common wire sizes.
Wire Gauge
|
Inches
|
Millimetres
|
14
|
0.064
|
1.63
|
15
|
0.057
|
1.45
|
16
|
0.051
|
1.29
|
17
|
0.045
|
1.15
|
18
|
0.040
|
1.02
|
19
|
0.036
|
0.91
|
20
|
0.032
|
0.81
|
21
|
0.029
|
0.72
|
22
|
0.025
|
0.64
|
23
|
0.023
|
0.57
|
24
|
0.020
|
0.51
|
25
|
0.018
|
0.45
|
26
|
0.016
|
0.40
|
27
|
0.014
|
0.36
|
28
|
0.013
|
0.32
|
29
|
0.011
|
0.29
|
30
|
0.010
|
0.25
|
31
|
0.009
|
0.23
|
32
|
0.008
|
0.20
|
Millimetres | Inches |
0.2
|
0.008
|
0.3
|
0.012
|
0.4
|
0.016
|
0.5
|
0.020
|
0.8
|
0.032
|
1.0
|
0.039
|
1.2
|
0.047
|
1.5
|
0.059
|
1.6
|
0.032
|
1.8
|
0.071
|
2.0
|
0.079
|
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