Wire and Sheet Metal Equivalents

Gauge NoImperial SWGAmerican AWGBirmingham BWGManufacturer’s standard
7/00.5 ---
6/00.4640.58--
5/00.4320.5165--
4/00.40.460.454-
3/00.3720.40960.425-
2/00.3480.36480.38-
00.3240.32490.34-
10.30.28930.3-
20.2760.25760.284-
30.2520.22940.2590.2391
40.2320.20430.2380.2242
50.2120.18190.220.2092
60.1920.1620.2030.1943
70.1760.14430.180.1793
80.160.12850.1650.1644
90.1440.11440.1480.1495
100.1280.10190.1340.1345
110.1160.09070.120.1196
120.1040.08080.1090.1046
130.0920.0720.0950.0897
140.080.06410.0830.0747
150.0720.05710.0720.0673
160.0640.05080.0650.0598
170.0560.04530.0580.0538
180.0480.04030.0490.0478
190.040.03590.0420.0418
200.0360.0320.0350.0359
210.0320.02850.0320.0329
220.0280.02530.0280.0299
230.0240.02260.0250.0269
240.0220.02010.0220.0239
250.020.01790.020.0209
260.0180.01590.0180.0179
270.01640.01420.0160.0164
280.01480.01260.0140.0149
290.01360.01130.0130.0135
300.01240.010.0120.012
310.01160.00890.010.0105
320.01080.0080.0090.0097
330.010.00710.0080.009
340.00920.00630.0070.0082
350.00840.00560.0050.0075
360.00760.0050.0040.0067
370.00680.0045- .0064
380.0060.004 - .0060
390.00520.0035 - -
400.00480.0031