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Chemicals - Technical Library

Wire Gauge Conversion Chart

Gauge No. Inches Millimeters
000000 0.5800 14.73
00000 0.5165 13.12
0000 0.4600 11.68
000 0.4096 10.40
00 0.3648 9.266
0 0.3249 8.251
1 0.2893 7.348
2 0.2576 6.544
3 0.2294 5.827
4 0.2043 5.189
5 0.1819 4.621
6 0.1620 4.115
7 0.1443 3.665
8 0.1285 3.264
9 0.1144 2.906
10 0.1019 2.588
11 0.09074 2.305
12 0.08081 2.053
13 0.07196 1.828
14 0.06408 1.628
15 0.05707 1.450
16 0.05082 1.291
17 0.04526 1.149
18 0.04030 1.024
19 0.03589 0.9116
20 0.03196 0.8118
21 0.02846 0.7229
22 0.02535 0.6438
23 0.02257 0.5733
24 0.02010 0.5106
25 0.01790 0.4547
26 0.01594 0.4049
27 0.01420 0.3606
28 0.01264 0.3211
29 0.01126 0.2859
30 0.01002 0.2546
31 0.008928 0.2268
32 0.007950 0.2019
33 0.007080 0.1798
34 0.006305 0.1601
35 0.005615 0.1426
36 0.005000 0.1270
37 0.004453 0.1131
38 0.003965 0.1007
39 0.00353 0.08969
40 0.003144 0.07986

This information is also provided on page T847 of the Aldrich 2003-2004 Catalog/Handbook of Fine Chemicals.