AWG to SWG Wire Gauge Conversion Chart

With AWG to SWG converters and reference tables, you can quickly determine the right gauge of winding wire for transformers, motors and other equipment.

MM/AWG/SWG Conversion

AWG / SWG Wire Gauge Conversion Table
Gauge
No.
AWG SWG
Inch mm Inch mm
00.32498.250.3248.23
10.28937.350.3007.62
20.25766.540.2767.01
30.22945.830.2526.40
40.20435.190.2325.89
50.18194.620.2125.38
60.1624.110.1924.88
70.14433.670.1764.47
80.12853.260.1604.06
90.11442.910.1443.66
100.10192.590.1283.25
110.09072.30.1162.95
120.08082.050.1042.64
130.07201.830.0922.34
140.06411.630.0802.03
150.05711.450.0721.83
160.05081.290.0641.63
170.04531.150.0561.42
180.04031.020.0481.22
190.03590.9120.0401.02
200.0320.8130.0360.914
210.02850.7240.0320.813
220.02530.6430.0280.711
230.02260.5740.0240.610
240.02010.5110.0220.559
250.01790.4550.0200.508
260.01590.4040.01800.457
270.01420.610.01640.417
280.01260.3200.01480.376
290.01130.2870.01360.345
300.01000.2540.01240.315
310.00890.2260.01160.295
320.00800.2030.01080.274
330.00710.1800.01000.254
340.00630.1600.00920.234
350.00560.1420.00840.213
360.00500.1270.00760.193
370.00450.1140.00680.173
380.00400.1020.00600.152
390.00350.0890.00520.132
400.00310.0790.00480.122
410.00280.0710.00440.112
420.00250.0640.00400.102
430.00220.0560.00360.091
440.00200.0510.00320.081
450.00180.0460.00280.071
AWG — American Wire Gauge (B&S) SWG — Standard Wire Gauge (Imperial)