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Maryland Metrics Technical Data Chart

Steel Thickness Conversion Table (gauge - inch - mm)
 

Gauge No. B.W.G. U.S.G.   Gauge No. B.W.G. U.S.G.
inch mm inch mm inch mm inch mm
6 .203 5.156 .2031 5.16   21 .032 .813 .0344 .873
7 .180 4.572 .1875 4.76   22 .028 .711 .0313 .794
8 .165 4.191 .1719 4.37   23 .025 .635 .0281 .714
9 .148 3.759 .1563 3.97   24 .022 .559 .0250 .635
10 .134 3.404 .1406 3.57   25 .020 .508 .0219 .556
11 .120 3.048 .1250 3.18   26 .018 .457 .0188 .478
12 .109 2.769 .1094 2.78   27 .016 .406 .0172 .437
13 .095 2.413 .0938 2.38   28 .014 .356 .0156 .396
14 .083 2.108 .0781 1.98   29 .013 .330 .0141 .358
15 .072 1.829 .0703 1.79   30 .012 .305 .0125 .318
16 .065 1.651 .0625 1.59   31 .010 .254 .0109 .277
17 .058 1.473 .0563 1.43   32 .009 .229 .0102 .259
18 .049 1.245 .0500 1.27   33 .008 .203 .0094 .239
19 .042 1.067 .0438 1.11   34 .007 .178 .0086 .218
20 .035 .889 .0375 .953   35 .005 .127 .0078 .198

BWG - Birmingham Wire Gauge for Iron & Steel Wire
USG - US Standard Gauge for Stainless Steel

THINK!- MARYLAND METRICS - The One-Stop Source For Metric And British Sized Fasteners, Wrenches, Cutting, & Measuring Tools, Metal Shapes, Oil Seals, O-Rings, Mechanical Power Transmission Equipment, Bearings, Hydraulic And Pneumatic Fittings & Tubing, Workholding Components, Plumbing Fittings, & Some Electrical & Electronic Components. Click to go to Maryland Metrics home page


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