Inch Equivalent of Wire and Sheet Metal Guages

Guage

Number

Sheet Metal 

Inch Equivalent

Wire Inch 

Equivalent

3 .2391 .244
4 .2242 .225
5 .2092 .207
6 .1943 .192
7 .1793 .177
8 .1644 .162
9 .1495 .148
10 .1345 .135
11 .1196 .120
12 .1046 .106
13 .0897 .092
14 .0747 .080
15 .0673 .072
16 .0598 .062
17 .0538 .054
18 .0478 .048
19 .0418 .041
20 .0359 .035
21 .0329 -
22 .0299 -
23 .0269 -
24 .0239 -
25 .0209 -
26 .0179 -
27 .0164 -
28 .0149 -

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