AWG and SWG Wire Size
Standard Wire Gauge SWG | Gauge Number | American Wire Gauge AWG |
inches | mm | inches | mm | mm2 | Ω/km (*) | max freq. (**) |
0.4640 | 11.786 | 000000 | - | - | - | - | - |
0.4320 | 10.973 | 00000 | - | - | - | - | - |
0.4000 | 10.160 | 0000 | 0.46000 | 11.684 | 107.219 | 0.1608 | 125Hz |
0.3720 | 9.4488 | 000 | 0.40964 | 10.405 | 85.0288 | 0.2028 | 160Hz |
0.3480 | 8.8392 | 00 | 0.36480 | 9.2658 | 67.4309 | 0.2557 | 200Hz |
0.3240 | 8.2296 | 0 | 0.32486 | 8.2515 | 53.4751 | 0.3224 | 250Hz |
0.3000 | 7.6200 | 1 | 0.28930 | 7.3481 | 42.4077 | 0.4065 | 325Hz |
0.2760 | 7.0104 | 2 | 0.25763 | 6.5437 | 33.6308 | 0.5126 | 410Hz |
0.2520 | 6.4008 | 3 | 0.22942 | 5.8273 | 26.6705 | 0.6464 | 500Hz |
0.2320 | 5.8928 | 4 | 0.20431 | 5.1894 | 21.1506 | 0.8151 | 650Hz |
0.2120 | 5.3848 | 5 | 0.18194 | 4.6213 | 16.7732 | 1.0278 | 810Hz |
0.1920 | 4.8768 | 6 | 0.16202 | 4.1154 | 13.3018 | 1.2961 | 1100Hz |
0.1760 | 4.4704 | 7 | 0.14429 | 3.6649 | 10.5488 | 1.6343 | 1300Hz |
0.1600 | 4.0640 | 8 | 0.12849 | 3.2636 | 8.36556 | 2.0608 | 1650Hz |
0.1440 | 3.6576 | 9 | 0.11442 | 2.9064 | 6.63419 | 2.5987 | 2050Hz |
0.1280 | 3.2512 | 10 | 0.10190 | 2.5882 | 5.26115 | 3.2768 | 2600Hz |
0.1160 | 2.9464 | 11 | 0.09074 | 2.3048 | 4.17229 | 4.1320 | 3200Hz |
0.1040 | 2.6416 | 12 | 0.08081 | 2.0525 | 3.30877 | 5.2104 | 4150Hz |
0.0920 | 2.3368 | 13 | 0.07196 | 1.8278 | 2.62398 | 6.5702 | 5300Hz |
0.0800 | 2.0320 | 14 | 0.06408 | 1.6277 | 2.08091 | 8.2848 | 6700Hz |
0.0720 | 1.8288 | 15 | 0.05707 | 1.4495 | 1.65023 | 10.447 | 8250Hz |
0.0640 | 1.6256 | 16 | 0.05082 | 1.2908 | 1.30870 | 13.173 | 11kHz |
0.0560 | 1.4224 | 17 | 0.04526 | 1.1495 | 1.03784 | 16.611 | 13kHz |
0.0480 | 1.2192 | 18 | 0.04030 | 1.0237 | 0.82305 | 20.947 | 17kHz |
0.0400 | 1.0160 | 19 | 0.03589 | 0.9116 | 0.65271 | 26.413 | 21kHz |
0.0360 | 0.9144 | 20 | 0.03196 | 0.8118 | 0.51762 | 33.306 | 27kHz |
0.0320 | 0.8128 | 21 | 0.02846 | 0.7229 | 0.41049 | 41.999 | 33kHz |
0.0280 | 0.7112 | 22 | 0.02535 | 0.6438 | 0.32553 | 52.959 | 42kHz |
0.0240 | 0.6096 | 23 | 0.02257 | 0.5733 | 0.25816 | 66.780 | 53kHz |
0.0220 | 0.5588 | 24 | 0.02010 | 0.5106 | 0.20473 | 84.208 | 68kHz |
0.0200 | 0.5080 | 25 | 0.01790 | 0.4547 | 0.16236 | 106.18 | 85kHz |
0.0180 | 0.4572 | 26 | 0.01594 | 0.4049 | 0.12876 | 133.90 | 107kHz |
0.0164 | 0.4166 | 27 | 0.01420 | 0.3606 | 0.10211 | 168.84 | 130kHz |
0.0146 | 0.3785 | 28 | 0.01264 | 0.3211 | 0.08098 | 212.90 | 170kHz |
0.0136 | 0.3454 | 29 | 0.01126 | 0.2859 | 0.06422 | 268.47 | 210kHz |
0.0124 | 0.3150 | 30 | 0.01003 | 0.2546 | 0.05093 | 338.53 | 270kHz |
0.0116 | 0.2946 | 31 | 0.00893 | 0.2268 | 0.04039 | 426.88 | 340kHz |
0.0108 | 0.2743 | 32 | 0.00795 | 0.2019 | 0.03203 | 538.28 | 430kHz |
0.0100 | 0.2450 | 33 | 0.00708 | 0.1798 | 0.02540 | 678.76 | 540kHz |
0.0092 | 0.2337 | 34 | 0.00630 | 0.1601 | 0.02014 | 855.91 | 690kHz |
0.0084 | 0.2134 | 35 | 0.00561 | 0.1426 | 0.01597 | 1079.3 | 870kHz |
0.0076 | 0.1930 | 36 | 0.00500 | 0.1270 | 0.01267 | 1360.9 | 1100kHz |
0.0068 | 0.1727 | 37 | 0.00445 | 0.1131 | 0.01005 | 1716.1 | 1350kHz |
0.0060 | 0.1524 | 38 | 0.00397 | 0.1007 | 0.00797 | 2164.0 | 1750kHz |
0.0052 | 0.1321 | 39 | 0.00353 | 0.0897 | 0.00632 | 2728.7 | 2250kHz |
0.0048 | 0.1219 | 40 | 0.00314 | 0.0799 | 0.00501 | 3440.9 | 2900kHz |
0.0044 | 0.1118 | 41 | 0.00280 | 0.0711 | 0.00397 | 4338.9 | |
0.0040 | 0.1016 | 42 | 0.00249 | 0.0633 | 0.00315 | 5471.2 | |
0.0036 | 0.0914 | 43 | 0.00222 | 0.0564 | 0.00250 | 6899.1 | |
0.0032 | 0.0813 | 44 | 0.00198 | 0.0502 | 0.00198 | 8699.5 | |
0.0028 | 0.0711 | 45 | 0.00176 | 0.0447 | 0.00157 | 10969.9 | |
0.0024 | 0.0610 | 46 | 0.00157 | 0.0398 | 0.00125 | 13832.8 | |
0.0020 | 0.0508 | 47 | 0.00140 | 0.0355 | 0.00099 | 17442.9 | |
0.0016 | 0.0406 | 48 | 0.00124 | 0.0316 | 0.00078 | 21995.0 | |
0.0012 | 0.0305 | 49 | 0.00111 | 0.0281 | 0.00062 | 27735.2 | |
0.0010 | 0.0254 | 50 | 0.00099 | 0.0251 | 0.00049 | 34973.5 | |
* with resistivity of copper at 20°C (1.724x10-8)
** Maximum frequency for 100% skin depth (ie. no skin effects) for solid conductor copper