Gauge in decimals of an inch

Use the chart provided below to convert standard gauge numbers in decimals of an inch for sheet steel, strip and tubing, aluminum and stainless steel.

Gauge #	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

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