Common Wire Gauge and Diameter Table
| No. | SWG | BWG | BG | AWG | ||||
| INCH | MM | INCH | MM | INCH | MM | INCH | MM | |
| 5 | 0.212 | 5.385 | 0.220 | 5.588 | 0.223 | 5.652 | 0.182 | 4.621 |
| 6 | 0.192 | 4.877 | 0.203 | 5.156 | 0.198 | 5.032 | 0.162 | 4.115 |
| 7 | 0.176 | 4.470 | 0.180 | 4.572 | 0.176 | 4.481 | 0.144 | 3.665 |
| 8 | 0.160 | 4.046 | 0.165 | 4.191 | 0.157 | 3.988 | 0.129 | 3.264 |
| 9 | 0.144 | 3.658 | 0.148 | 3.759 | 0.140 | 3.551 | 0.114 | 2.906 |
| 10 | 0.128 | 3.251 | 0.134 | 3.404 | 0.125 | 3.175 | 0.102 | 2.588 |
| 11 | 0.116 | 2.946 | 0.120 | 3.048 | 0.131 | 2.827 | 0.091 | 2.305 |
| 12 | 0.104 | 2.642 | 0.109 | 2.769 | 0.099 | 2.517 | 0.081 | 2.053 |
| 13 | 0.092 | 2.337 | 0.095 | 2.413 | 0.088 | 2.240 | 0.072 | 1.828 |
| 14 | 0.080 | 2.032 | 0.083 | 2.108 | 0.079 | 1.994 | 0.065 | 1.628 |
| 15 | 0.072 | 1.829 | 0.072 | 1.829 | 0.070 | 1.775 | 0.057 | 1.450 |
| 16 | 0.064 | 1.626 | 0.065 | 1.651 | 0.063 | 1.588 | 0.051 | 1.291 |
| 17 | 0.056 | 1.422 | 0.058 | 1.473 | 0.056 | 1.412 | 0.045 | 1.150 |
| 18 | 0.048 | 1.219 | 0.049 | 1.245 | 0.050 | 1.257 | 0.040 | 1.024 |
| 19 | 0.040 | 1.016 | 0.042 | 1.067 | 0.044 | 1.118 | 0.036 | 0.912 |
| 20 | 0.036 | 0.914 | 0.035 | 0.839 | 0.039 | 0.996 | 0.032 | 0.812 |
| 21 | 0.032 | 0.813 | 0.032 | 0.813 | 0.035 | 0.887 | 0.029 | 0.723 |
| 22 | 0.028 | 0.711 | 0.028 | 0.711 | 0.031 | 0.794 | 0.025 | 0.644 |
| 23 | 0.024 | 0.610 | 0.025 | 0.635 | 0.028 | 0.707 | 0.020 | 0.573 |
| 24 | 0.022 | 0.559 | 0.022 | 0.559 | 0.025 | 0.629 | 0.018 | 0.511 |
| 25 | 0.020 | 0.508 | 0.020 | 0.508 | 0.022 | 0.560 | 0.016 | 0.455 |
| 26 | 0.018 | 0.457 | 0.018 | 0.457 | 0.020 | 0.498 | 0.014 | 0.405 |
| 27 | 0.016 | 0.417 | 0.016 | 0.406 | 0.175 | 0.443 | 0.014 | 0.361 |
| 28 | 0.015 | 0.376 | 0.014 | 0.356 | 0.156 | 0.397 | 0.013 | 0.321 |
| 29 | 0.014 | 0.345 | 0.013 | 0.330 | 0.014 | 0.353 | 0.011 | 0.286 |
| 30 | 0.012 | 0.315 | 0.012 | 0.305 | 0.012 | 0.312 | 0.010 | 0.255 |
| 31 | 0.012 | 0.295 | 0.010 | 0.254 | 0.011 | 0.270 | 0.009 | 0.227 |
| 32 | 0.011 | 0.274 | 0.009 | 0.229 | 0.010 | 0.249 | 0.008 | 0.202 |
| 33 | 0.010 | 0.254 | 0.008 | 0.203 | 0.009 | 0.221 | 0.007 | 0.180 |
| 34 | 0.009 | 0.234 | 0.007 | 0.178 | 0.008 | 0.196 | 0.006 | 0.160 |
| 35 | 0.008 | 0.213 | 0.005 | 0.127 | 0.007 | 0.175 | 0.006 | 0.143 |
| 36 | 0.008 | 0.193 | 0.004 | 0.102 | 0.006 | 0.155 | 0.005 | 0.127 |