AWG and SWG Wire Size

Standard Wire Gauge SWGGauge NumberAmerican Wire Gauge AWG
inchesmminchesmmmm2Ω/km (*)max freq. (**)
0.464011.786000000-----
0.432010.97300000-----
0.400010.16000000.4600011.684107.2190.1608125Hz
0.37209.44880000.4096410.40585.02880.2028160Hz
0.34808.8392000.364809.265867.43090.2557200Hz
0.32408.229600.324868.251553.47510.3224250Hz
0.30007.620010.289307.348142.40770.4065325Hz
0.27607.010420.257636.543733.63080.5126410Hz
0.25206.400830.229425.827326.67050.6464500Hz
0.23205.892840.204315.189421.15060.8151650Hz
0.21205.384850.181944.621316.77321.0278810Hz
0.19204.876860.162024.115413.30181.29611100Hz
0.17604.470470.144293.664910.54881.63431300Hz
0.16004.064080.128493.26368.365562.06081650Hz
0.14403.657690.114422.90646.634192.59872050Hz
0.12803.2512100.101902.58825.261153.27682600Hz
0.11602.9464110.090742.30484.172294.13203200Hz
0.10402.6416120.080812.05253.308775.21044150Hz
0.09202.3368130.071961.82782.623986.57025300Hz
0.08002.0320140.064081.62772.080918.28486700Hz
0.07201.8288150.057071.44951.6502310.4478250Hz
0.06401.6256160.050821.29081.3087013.17311kHz
0.05601.4224170.045261.14951.0378416.61113kHz
0.04801.2192180.040301.02370.8230520.94717kHz
0.04001.0160190.035890.91160.6527126.41321kHz
0.03600.9144200.031960.81180.5176233.30627kHz
0.03200.8128210.028460.72290.4104941.99933kHz
0.02800.7112220.025350.64380.3255352.95942kHz
0.02400.6096230.022570.57330.2581666.78053kHz
0.02200.5588240.020100.51060.2047384.20868kHz
0.02000.5080250.017900.45470.16236106.1885kHz
0.01800.4572260.015940.40490.12876133.90107kHz
0.01640.4166270.014200.36060.10211168.84130kHz
0.01460.3785280.012640.32110.08098212.90170kHz
0.01360.3454290.011260.28590.06422268.47210kHz
0.01240.3150300.010030.25460.05093338.53270kHz
0.01160.2946310.008930.22680.04039426.88340kHz
0.01080.2743320.007950.20190.03203538.28430kHz
0.01000.2450330.007080.17980.02540678.76540kHz
0.00920.2337340.006300.16010.02014855.91690kHz
0.00840.2134350.005610.14260.015971079.3870kHz
0.00760.1930360.005000.12700.012671360.91100kHz
0.00680.1727370.004450.11310.010051716.11350kHz
0.00600.1524380.003970.10070.007972164.01750kHz
0.00520.1321390.003530.08970.006322728.72250kHz
0.00480.1219400.003140.07990.005013440.92900kHz
0.00440.1118410.002800.07110.003974338.9
0.00400.1016420.002490.06330.003155471.2
0.00360.0914430.002220.05640.002506899.1
0.00320.0813440.001980.05020.001988699.5
0.00280.0711450.001760.04470.0015710969.9
0.00240.0610460.001570.03980.0012513832.8
0.00200.0508470.001400.03550.0009917442.9
0.00160.0406480.001240.03160.0007821995.0
0.00120.0305490.001110.02810.0006227735.2
0.00100.0254500.000990.02510.0004934973.5

* with resistivity of copper at 20°C (1.724x10-8)

** Maximum frequency for 100% skin depth (ie. no skin effects) for solid conductor copper