Page 493 - CATALOG

CONVERSION CHARTS

Conversion Chart from mm to inches

mm inch mm inch mm inch mm inch
6 1/4" 30 1¼" 100 4" 1000 39⅜"
8 5/16" 40 1½" 125 4⅞" 2000 6'6¾"

10 3/8" 50 2" 150 6" 3000 9'10⅛"
12 1/2" 60 2⅜" 200 7⅞" 3800 12'5⅝"
16 5/8" 70 2¾" 300 12" 5700 18'8⅜"
20 3/4" 80 3¼" 500 19¾" 5800 19'¼"
25 1" 90 3½" 900 35½" 6000 19'8¼"

Chart shows some of our standard measurements and the approximate inch equivalent.

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

Actual Dimensions for Nominal Pipe Size

T: 908.757.2323 ✛ F: 908.757.3439
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