SWG   inches     mm
7/00.50012.700
6/00.46411.786
5/00.43210.973
4/00.40010.160
3/00.3729.449
2/00.3488.839
1/00.3248.236
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
SWG   inches     mm
130.0922.337
140.0802.032
150.0721.829
160.0641.626
170.0561.422
180.0481.219
190.0401.016
200.0360.914
210.0320.813
220.0280.711
230.0240.610
240.0220.559
250.0200.508
260.0180.457
270.01640.417
280.01480.376
290.01360.345
300.01240.315
310.01160.295
SWG   inches     mm
320.01080.274
330.01000.254
340.00920.234
350.00840.213
360.00760.193
370.00680.173
380.0060.152
390.00520.132
400.00480.122
410.00440.112
420.0040.102
430.00360.091
440.00320.081
450.00280.071
460.00240.061
470.0020.051
480.00160.041
490.00120.030
500.0010.025

Imperial Standard Wire Gauge (SWG) dimensions

by Russ Elliott

Inch and millimetre dimensions for Imperial Standard Wire Gauge (SWG) sizes, as used for sheet metal and wire.