Chart showing gages in decimals of an inch

Gage in Decimals of an Inch

Gage #	Sheet Steel	Strip & Tubing	Aluminum	Stainless Steel
6/0 5/0 4/0 3/0 2/0	---- ---- ---- ---- ----	---- .500 .454 .425 .380	.5800 .5165 .4600 .4096 .3648	.4687 .4375 .4062 .3750 .3437
0 1 2 3 4 5	---- ---- ---- .2391 .2242 .2092	.340 .300 .284 .259 .238 .220	.3249 .2893 .2576 .2294 .2043 .1819	.3125 .2812 .2656 .2500 .2344 .2187
6 7 8 9 10 11	.1943 .1793 .1644 .1495 .1345 .1196	.203 .180 .165 .148 .134 .120	.1620 .1443 .1285 .1144 .1019 .0907	.2031 .1875 .1719 .1562 .1406 .1250
12 13 14 15 16 17	.1046 .0897 .0747 .0673 .0598 .0538	.109 .095 .083 .072 .065 .058	.0808 .0720 .0641 .0571 .0508 .0453	.1094 .0937 .0781 .0703 .0625 .0562
18 19 20 21 22 23	.0478 .0418 .0359 .0329 .0299 .0269	.049 .042 .035 .032 .028 .025	.0403 .0359 .0320 .0285 .0253 .0226	.0500 .0437 .0375 .0344 .0312 .0281
24 25 26 27 28 29	.0239 .0209 .0179 .0164 .0149 .0135	.022 .020 .018 .016 .014 .013	.0201 .0179 .0159 .0142 .0126 .0113	.0250 .0219 .0187 .0172 .0156 .0141
30 31 32 33 34 35 36 37 38	.0120 .0105 .0097 .0090 .0082 .0075 .0067 .0064 .0060	.012 .010 .009 .008 .007 .005 .004 ---- ----	.0100 .0089 .0080 .0071 .0063 .0056 .0050 .0045 .0040	.0125 .0109 .0102 .0094 .0086 .0078 .0070 .0066 .0062
All values are estimates and are provided for reference only.
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