Standard Wire Gauge

A numbering system for standard wire diameters, often abbreviated as SWG.

SWG gauge no.Diameter InchesDiameter mm
7/00.50012.7
6/00.46411.786
5/00.43210.973
4/00.40010.160
3/00.3729.449
2/00.3488.839
00.3248.230
10.3007.620
20.2767.010
30.2526.401
40.2325.893
50.2125.385
60.1924.877
70.1764.470
80.1604.064
90.1443.658
100.1283.251
110.1162.946
120.1042.642
130.0922.337
140.0802.032
150.0721.8288
160.0641.6256
170.0561.4224
180.0481.2192
190.0401.0160
200.0360.9144
210.0320.8128
220.0280.7112
230.0240.6096
240.0220.5588
250.0200.5080
260.0180.4572
270.01640.4166
280.01480.3759
290.01360.3454
300.01240.3150
310.01160.2946
320.01080.2743
330.01000.2540
340.00920.2337
350.00840.2134
360.00760.1930
370.00680.1727
380.00600.1524
390.00520.1321
400.00480.1219
410.00440.1118
420.00400.1016
430.00360.0914
440.00320.0813
450.00280.0711
460.00240.0610
470.00200.0508
480.00160.0406
490.00120.0305
500.00100.0254

See also: Birmingham Sheet Metal Gauge.

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Subjects: Mechanical Engineering