	Conversion Data Chart Standard Gauges Chart Gauge Tolerance Chart Useful Data Page	Cincinnati, OH Phone: 513-396-6600 Phone: 800-541-4430 Fax: 513-396-6079	Louisville, KY Phone: 502-634-4321 Phone: 800-427-8335 Fax: 502-634-9002

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Standard Gauges

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

Gauge	Strip & Tubing	US Standard	Sheet Steel	Steel Wire	Galvanized
		Stainless
6/0 5/0 4/0 3/0 2/0	---- .500 .454 .425 .380	.4687 .4375 .4062 .3750 .3437	---- ---- ---- ---- ----	.4615 .4305 .3938 .3626 .3310
0 1 2 3 4 5	.340 .300 .284 .259 .238 .220	.3125 .2812 .2656 .2500 .2344 .2187	---- ---- ---- .2391 .2242 .2092	.3065 .2830 .2625 .2437 .2253 .2070
6 7 8 9 10 11	.203 .180 .165 .148 .134 .120	.2031 .1875 .1719 .1562 .1406 .1250	.1943 .1793 .1644 .1495 .1345 .1196	.1920 .1770 .1620 .1483 .1350 .1205	.1681 .1532 .1382 .1233
12 13 14 15 16 17	.109 .095 .083 .072 .065 .058	.1094 .0937 .0781 .0703 .0625 .0562	.1046 .0897 .0747 .0673 .0598 .0538	.1055 .0915 .0830 .0720 .0625 .0540	.1084 .0934 .0785 .0710 .0635 .0575
18 19 20 21 22 23	.049 .042 .035 .032 .028 .025	.0500 .0437 .0375 .0344 .0312 .0281	.0478 .0418 .0359 .0329 .0299 .0269	.0475 .0410 .0348 .0348 .0286 .0258	.0516 .0456 .0396 .0396 .0336 .0306
24 25 26 27 28 29	.022 .020 .018 .016 .014 .013	.0250 .0219 .0187 .0172 .0156 .0141	.0239 .0209 .0179 .0164 .0149 .0135	.0230 .0204 .0181 .0173 .0162 .0150	.0276 .0247 .0127 .0202 .0187 .0172
30 31 32 33 34 35 36 37 38	.012 .010 .009 .008 .007 .005 .004 ---- ----	.0125 .0109 .0102 .0094 .0086 .0078 .0070 .0066 .0062	.0120 .0105 .0097 .0090 .0082 .0075 .0067 .0064 .0060	.0140 .0132 .0128 .0118 .0104 .0095 .0090 .0085 .0080	.0157 .0142 .0134

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