Values are based on ASTM B2-00 Standard Specification for Medium-Hard-Drawn Copper Wire and Values for in.$^2$ are taken from ASTM B33-00.
| Name | mm | mm$^2$ | in. | cmil | in.$^2$ |
|---|---|---|---|---|---|
| AWG 40 | 0.0787 | 0.0049 | 0.0031 | 9.61 | 7.55e-06 |
| AWG 39 | 0.089 | 0.0062 | 0.0035 | 12.2 | 9.62e-06 |
| AWG 38 | 0.102 | 0.0081 | 0.004 | 16.0 | 1.257e-05 |
| AWG 37 | 0.114 | 0.01 | 0.0045 | 20.2 | 1.59e-05 |
| AWG 36 | 0.127 | 0.013 | 0.005 | 25.0 | 1.963e-05 |
| AWG 35 | 0.142 | 0.016 | 0.0056 | 31.4 | 2.463e-05 |
| AWG 34 | 0.16 | 0.02 | 0.0063 | 39.7 | 3.117e-05 |
| AWG 33 | 0.18 | 0.026 | 0.0071 | 50.4 | 3.959e-05 |
| AWG 32 | 0.203 | 0.032 | 0.008 | 64.0 | 5.027e-05 |
| AWG 31 | 0.226 | 0.04 | 0.0089 | 79.2 | 6.221e-05 |
| AWG 30 | 0.254 | 0.051 | 0.01 | 100.0 | 7.854e-05 |
| AWG 29 | 0.287 | 0.065 | 0.0113 | 128.0 | 0.00010029 |
| AWG 28 | 0.32 | 0.081 | 0.0126 | 159.0 | 0.00012469 |
| AWG 27 | 0.361 | 0.102 | 0.0142 | 202.0 | 0.00015837 |
| AWG 26 | 0.404 | 0.128 | 0.0159 | 253.0 | 0.00019856 |
| AWG 25 | 0.455 | 0.162 | 0.0179 | 320.0 | 0.00025165 |
| AWG 24 | 0.511 | 0.205 | 0.0201 | 404.0 | 0.00031731 |
| AWG 23 | 0.574 | 0.259 | 0.0226 | 511.0 | 0.00040115 |
| AWG 22 | 0.643 | 0.324 | 0.0253 | 640.0 | 0.00050273 |
| AWG 21 | 0.724 | 0.411 | 0.0285 | 812.0 | 0.00063794 |
| AWG 20 | 0.813 | 0.517 | 0.032 | 1020.0 | 0.00080425 |
| AWG 19 | 0.912 | 0.654 | 0.0359 | 1290.0 | 0.00101223 |
| AWG 18 | 1.024 | 0.823 | 0.0403 | 1620.0 | 0.00127556 |
| AWG 17 | 1.151 | 1.04 | 0.0453 | 2050.0 | 0.00161171 |
| AWG 16 | 1.29 | 1.31 | 0.0508 | 2580.0 | 0.00202683 |
| AWG 15 | 1.45 | 1.65 | 0.0571 | 3260.0 | 0.00256072 |
| AWG 14 | 1.628 | 2.08 | 0.0641 | 4110.0 | 0.00322705 |
| AWG 13 | 1.829 | 2.63 | 0.072 | 5180.0 | 0.0040715 |
| AWG 12 | 2.052 | 3.31 | 0.0808 | 6530.0 | 0.00512758 |
| AWG 11 | 2.304 | 4.17 | 0.0907 | 8230.0 | 0.00646107 |
| AWG 10 | 2.588 | 5.26 | 0.1019 | 10380.0 | 0.00815527 |
| AWG 9 | 2.906 | 6.63 | 0.1144 | 13090.0 | 0.01027879 |
| AWG 8 | 3.264 | 8.37 | 0.1285 | 16510.0 | 0.012969 |
| AWG 7 | 3.665 | 10.5 | 0.1443 | 20820.0 | 0.016354 |
| AWG 6 | 4.115 | 13.3 | 0.162 | 26240.0 | 0.020612 |
| AWG 5 | 4.62 | 16.8 | 0.1819 | 33090.0 | 0.025987 |
| AWG 4 | 5.189 | 21.2 | 0.2043 | 41740.0 | 0.032781 |
| AWG 3 | 5.827 | 26.7 | 0.2294 | 52620.0 | 0.041331 |
| AWG 2 | 6.543 | 33.6 | 0.2576 | 66360.0 | 0.052117 |
| AWG 1 | 7.348 | 42.4 | 0.2893 | 83690.0 | 0.065733 |
| AWG 1/0 | 8.252 | 53.5 | 0.3249 | 105600.0 | 0.082907 |
| AWG 2/0 | 9.266 | 67.4 | 0.3648 | 133100.0 | 0.10452 |
| AWG 3/0 | 10.404 | 85.0 | 0.4096 | 167800.0 | 0.131768 |
| AWG 4/0 | 11.684 | 107.0 | 0.46 | 211600.0 | 0.16619 |
