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Wire Gauge Size Chart

This wire gauge size chart is provided as a free service of WireMarker.com, offering industrial quality label printers for making wire and cable labels.

U.S. WIRE GAUGE SIZES

Gauge No. Diameter
(inches)
Diameter
(mm)
  Gauge No. Diameter
(inches)
Diameter
(mm)
0000 0.4600 11.68   19 0.03589 0.9116
000 0.4096 10.40   20 0.03196 0.8118
00 0.3648 9.206   21 0.02846 0.7229
0 0.3249 8.252   22 0.02535 0.6439
1 0.2803 7.348   23 0.02257 0.5733
2 0.2576 6.543   24 0.02010 0.5105
3 0.2294 5.827   25 0.01790 0.4547
4 0.2043 5.189   26 0.01594 0.4049
5 0.1819 4.620   27 0.01420 0.3607
6 0.1620 4.115   28 0.01264 0.3211
7 0.1443 3.665   29 0.01120 0.2845
8 0.1285 3.264   30 0.01003 0.2548
9 0.1144 2.906   31 0.008928 0.2268
10 0.1019 2.588   32 0.007950 0.2019
11 0.09074 2.305   33 0.007080 0.1798
12 0.08081 2.053   34 0.006305 0.1601
13 0.07196 1.828   35 0.005615 0.1426
14 0.06408 1.628   36 0.005000 0.1270
15 0.05707 1.450   37 0.004453 0.1131
16 0.05082 1.291   38 0.003965 0.1007
17 0.04526 1.150   39 0.003531 0.08969
18 0.04030 1.024   40 0.003145 0.07988
             

We've been a leading dealer of industrial quality label machines and supplies since 1970. We provide the U.S. Standard Wire Gauge Chart as a free service for visitors to our web site.

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