Summary

Birmingham Wire Gauge (BWG), also known as Stubs Iron Wire Gauge is a system of measurements describing thickness. BWG has been historically used to describe the outside diameter of small tubes and wires, as well as the wall thickness of some large tubes (such as those used within a shell and tube heat exchanger). This article presents length conversions for BWG values into metric and imperial units.



Birmingham Wire Gauge Conversions

The imperial and metric conversions for Birmingham wire gauge measurements are presented in the table below.

BWGInchesmm
5/00.512.7
4/00.45411.5316
3/00.42510.795
2/00.389.652
00.348.636
10.37.62
20.2847.2136
30.2596.5786
40.2386.0452
50.225.588
60.2035.1562
70.184.572
80.1654.191
90.1483.7592
100.1343.4036
110.123.048
120.1092.7686
130.0952.413
140.0832.1082
150.0721.8288
160.0651.651
170.0581.4732
180.0491.2446
190.0421.0668
200.0350.889
210.0320.8128
220.0280.7112
230.0250.635
240.0220.5588
250.020.508
260.0180.4572
270.0160.4064
280.0140.3556
290.0130.3302
300.0120.3048
310.010.254
320.0090.2286
330.0080.2032
340.0070.1778
350.0050.127
360.0040.1016



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