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Wire and Sheet Metal Gauges in Approximate Decimals of  an Inch

Non Ferrous (1) Mfr's Standard Birmingham Gauge Gauge # Strip or Tubing Basic Steel Galvanized  Zinc Gauge
Gauge For Steel (Steel Sheets) (2) (B.G.) (3) (Birmingham or Stubbs Iron Wire Gauge) (4) Wire (5) Sheet Gauge
* * 1.00000 15/0 * * * *
* * 0.95830 14/0 * * * *
* * 0.91670 13/0 * * * *
* * 0.87500 12/0 * * * *
* * 0.83330 11/0 * * * *
* * * * * * * *
* * 0.79170 10/0 * * * *
* * 0.75000 9/0 * * * *
* * 0.70830 8/0 * * * *
* * 0.66660 7/0 * * * *
0.5800 * 0.62500 6/0 * 0.4615 * *
* * * * * * * *
0.5165 * 0.58830 5/0 0.500 0.4305 * *
0.4600 * 0.54160 4/0 0.454 0.3938 * *
0.4096 * 0.50000 3/0 0.425 0.3625 * *
0.3648 * 0.44520 2/0 0.380 0.3310 * *
0.3249 * 0.39640 0 0.340 0.3065 * *
* * * * * * * *
0.2893 * 0.35320 1 0.300 0.2830 * *
0.2576 * 0.31470 2 0.284 0.2625 * *
0.2294 0.2391 0.28040 3 0.259 0.2437 * 0.006
0.2043 0.2242 0.25000 4 0.238 0.2253 * 0.008
0.1819 0.2092 0.22250 5 0.220 0.2070 * 0.010
* * * * * * * *
0.1620 0.1943 0.19810 6 0.203 0.1920 * 0.012
0.1443 0.1793 0.17640 7 0.180 0.1770 * 0.014
0.1285 0.1644 0.15700 8 0.165 0.1620 0.1681 0.016
0.1144 0.1495 0.13980 9 0.148 0.1483 0.1532 0.018
0.1019 0.1345 0.12500 10 0.134 0.1350 0.1382 0.020
* * * * * * * *
0.0907 0.1196 0.11130 11 0.120 0.1205 0.1233 0.024
0.0808 0.1046 0.09910 12 0.109 0.1055 0.1084 0.028
0.0720 0.0897 0.08820 13 0.095 0.0915 0.0934 0.032
0.0641 0.0747 0.07850 14 0.083 0.0800 0.0785 0.036
0.0571 0.0673 0.06990 15 0.072 0.0720 0.0710 0.040
Non Ferrous (1) Mfr's Standard Birmingham Gauge Gauge # Strip or Tubing Basic Steel Galvanized  Zinc Gauge
Gauge For Steel (Steel Sheets) (2) (B.G.) (3) (Birmingham or Stubbs Iron Wire Gauge) (4) Wire (5) Sheet Gauge
0.0508 0.0598 0.06250 16 0.065 0.0625 0.0635 0.045
0.0453 0.0538 0.05560 17 0.058 0.0540 0.0575 0.050
0.0403 0.0478 0.04950 18 0.049 0.0475 0.0516 0.055
0.0359 0.0418 0.04400 19 0.042 0.0410 0.0456 0.060
0.0320 0.0359 0.03920 20 0.035 0.0348 0.0396 0.070
* * * * * * * *
0.0285 0.0329 0.03490 21 0.032 0.0317 0.0366 0.080
0.0253 0.0269 0.03125 22 0.028 0.0286 0.0336 0.090
0.0226 0.0239 0.02782 23 0.025 0.0258 0.0306 0.100
0.0201 0.0209 0.02476 24 0.022 0.0230 0.0276 0.125
0.0179 0.0179 0.02204 25 0.020 0.0204 0.0247 *
* * * * * * * *
0.0159 0.0164 0.01961 26 0.018 0.0181 0.0217 *
0.0142 0.0149 0.01745 27 0.016 0.0173 0.0202 *
0.0126 0.0135 0.01562 28 0.014 0.0162 0.0187 *
0.0113 0.0120 0.01390 29 0.013 0.0150 0.0172 *
0.0100 0.0105 0.01230 30 0.012 0.0140 0.0157 *
* * * * * * * *
0.0890 0.0097 0.01110 31 0.010 0.0132 0.0142 *
0.0080 0.0090 0.00980 32 0.009 0.0128 0.0134 *
0.0071 0.0082 0.00870 33 0.008 0.0118 * *
0.0063 0.0075 0.00770 34 0.007 0.0104 * *
0.0056 0.0067 0.00690 35 0.005 0.0095 * *
* * * * * * * *
0.0050 0.0064 0.00610 36 0.004 0.0090 * *
0.0045 0.0060 0.00540 37 * 0.0085 * *
0.0040 * 0.00480 38 * 0.0080 * *
* * 0.00430 39 * * * *
* * 0.00386 40 * * * *
* * * * * * * *
* * 0.00343 41 * * * *
* * 0.00306 42 * * * *
* * 0.00272 43 * * * *
* * 0.00242 44 * * * *
* * 0.00215 45 * * * *
* * * * * * * *
* * 0.00192 46 * * * *
* * 0.00170 47 * * * *
* * 0.00152 48 * * * *
* * 0.00135 49 * * * *
* * 0.00120 50 * * * *
* * * * * * * *
* * 0.00107 51 * * * *
* * 0.00095 52 * * * *
* * * * * * * *
Non Ferrous (1) Mfr's Standard Birmingham Gauge Gauge # Strip or Tubing Basic Steel Galvanized  Zinc Gauge
Gauge For Steel (Steel Sheets) (2) (B.G.) (3) (Birmingham or Stubbs Iron Wire Gauge) (4) Wire (5) Sheet Gauge

(1) For Aluminum Sheet; Brass Sheet, Strip, Wire, and Tube; Bronze Sheet, Strip and Wire; Copper Strip, Tube and Wire; Nickel Silver Sheet and Wire. 

(2) For Flat, Coil, Hot Rolled, or Cold Rolled Steel Sheet. 

(3) For Black Iron and Steel Sheet and Hooping. 

(4) For Aluminum Tubing, Steel and Stainless Steel Bands, Flat Wire Strip in Steel and Stainless Steel, and Spring Steel Sheet. 

(5) For all Finishes of Steel Wire.

Due to the confusion which often prevails due to the number and similarity of different gauges, we recommend you order and converse in decimals, rather than gauges at all times.

This information was compiled from sources we deem reliable, but is not guaranteed. It is provided simply for the convenience of our customers, even though we do not deal in these materials.

Copyright 2001 - 2005 By Materials Management, Inc. No part of this document may be copied or duplicated in any manner, whatsoever.

 

 
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