American Wire Gauge (AWG) Cable / Conductor Sizes and Properties  .

AWG  Diameter  inches mm Area [mm2] Resistance Ohms / 1000 ft Resistance ** Ohms / km  Max Current *** Max Frequency for 100% skin depth  0000 (4/0)  0.46 11.684 107 0.049 0.16072 302 125 Hz 000 (3/0) 0.4096 10.40384 85 0.0618 0.202704 239 160 Hz 00 (2/0) 0.3648 9.26592 67.4 0.0779 0.255512 190 200 Hz 0 (1/0) 0.3249 8.25246 53.5 0.0983 0.322424 150 250 Hz 1 0.2893 7.34822 42.4 0.1239 0.406392 119 325 Hz 2 0.2576 6.54304 33.6 0.1563 0.512664 94 410 Hz 3 0.2294 5.82676 26.7 0.197 0.64616 75 500 Hz 4 0.2043 5.18922 21.2 0.2485 0.81508 60 650 Hz 5 0.1819 4.62026 16.8 0.3133 1.027624 47 810 Hz 6 0.162 4.1148 13.3 0.3951 1.295928 37 1100 Hz 7 0.1443 3.66522 10.5 0.4982 1.634096 30 1300 Hz 8 0.1285 3.2639 8.37 0.6282 2.060496 24 1650 Hz 9 0.1144 2.90576 6.63 0.7921 2.598088 19 2050 Hz 10 0.1019 2.58826 5.26 0.9989 3.276392 15 2600 Hz 11 0.0907 2.30378 4.17 1.26 4.1328 12 3200 Hz 12 0.0808 2.05232 3.31 1.588 5.20864 9.3 4150 Hz 13 0.072 1.8288 2.62 2.003 6.56984 7.4 5300 Hz 14 0.0641 1.62814 2.08 2.525 8.282 5.9 6700 Hz 15 0.0571 1.45034 1.65 3.184 10.44352 4.7 8250 Hz 16 0.0508 1.29032 1.31 4.016 13.17248 3.7 11 k Hz 17 0.0453 1.15062 1.04 5.064 16.60992 2.9 13 k Hz 18 0.0403 1.02362 0.823 6.385 20.9428 2.3 17 kHz 19 0.0359 0.91186 0.653 8.051 26.40728 1.8 21 kHz 20 0.032 0.8128 0.518 10.15 33.292 1.5 27 kHz 21 0.0285 0.7239 0.41 12.8 41.984 1.2 33 kHz 22 0.0254 0.64516 0.326 16.14 52.9392 0.92 42 kHz 23 0.0226 0.57404 0.258 20.36 66.7808 0.729 53 kHz 24 0.0201 0.51054 0.205 25.67 84.1976 0.577 68 kHz 25 0.0179 0.45466 0.162 32.37 106.1736 0.457 85 kHz 26 0.0159 0.40386 0.129 40.81 133.8568 0.361 107 kHz 27 0.0142 0.36068 0.102 51.47 168.8216 0.288 130 kHz 28 0.0126 0.32004 0.081 64.9 212.872 0.226 170 kHz 29 0.0113 0.28702 0.0642 81.83 268.4024 0.182 210 kHz 30 0.01 0.254 0.0509 103.2 338.496 0.142 270 kHz 31 0.0089 0.22606 0.0404 130.1 426.728 0.113 340 kHz 32 0.008 0.2032 0.032 164.1 538.248 0.091 430 kHz 33 0.0071 0.18034 0.0254 206.9 678.632 0.072 540 kHz 34 0.0063 0.16002 0.0201 260.9 855.752 0.056 690 kHz 35 0.0056 0.14224 0.016 329 1079.12 0.044 870 kHz 36 0.005 0.127 0.0127 414.8 1360 0.035 1100 kHz 37 0.0045 0.1143 0.01 523.1 1715 0.0289 1350 kHz 38 0.004 0.1016 0.00797 659.6 2163 0.0228 1750 kHz 39 0.0035 0.0889 0.00632 831.8 2728 0.0175 2250 kHz 40 0.0031 0.07874  0.00501  1049 3440 0.0137 2900 kHz