Standard Wire Sizes

Wire Size (AWG) Diameter (mil) Diameter (mm)
8 128.49 3.264
9 114.42 2.906
10 101.90 2.588
11 90.74 2.305
12 80.81 2.053
13 71.96 1.828
14 64.08 1.628
15 57.07 1.450
16 50.82 1.291
17 45.26 1.150
18 40.30 1.024
19 35.89 0.912
20 31.96 0.812
21 28.46 0.723
22 25.35 0.644
23 22.57 0.573
24 20.10 0.511
25 17.90 0.455
26 15.94 0.405
27 14.20 0.361
28 12.64 0.321
29 11.26 0.286
30 10.03 0.255
31 8.93 0.227
32 7.95 0.202
33 7.08 0.180
34 6.30 0.160
35 5.61 0.143
36 5.00 0.127
37 4.45 0.113
38 3.97 0.101
39 3.53 0.090
40 3.14 0.080
41 2.80 0.071
42 2.49 0.063


Disclaimer: While I have tried to ensure that the material property data contained here is accurate, I cannot guarantee its accuracy. In no event shall the provider of this information be held liable in the event of a mistake in the reported values.

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