Bare Copper Wire Data

The following table displays bare copper wire data including the AWG gauge, wire diameter, cross-sectional area, weight per 1000 feet, and resistance per 1000 feet.

AWG B&S GaugeDiameter (mils)Cross-sectional Area (Circular mils*)Weight per 1000 ft. (lbs.)Resistance per 1000 ft. (ohms)
00004602120006400.049
0004101680005090.062
003651330004030.079
03241060003180.099
12898370025630.124
2257664002000.157
3229526001590.198
4204417001260.249
5182331001000.313
61622630079.40.395
71442080062.80.5
81281650049.60.633
91141310039.30.798
101021038031.50.997
1190.7823024.91.26
1280.8653019.81.59
1372.1518015.71.99
1464.1411012.42.52
1557.132609.873.18
1650.825807.814.02
1745.320506.215.05
1840.316204.926.39
1935.912903.98.05
2031.210202.9510.7
2128.58122.4612.8
2225.46401.9516.1
2322.65111.5520.3
2420.14041.2225.7
2517.93200.9732.4
2615.92530.76541
2714.22020.6151.4
2812.61590.4865.3
2911.31280.38681.2
30101000.303104
318.9379.20.241130
328640.191164
337.150.40.152207
346.339.70.12261
355.631.40.095329
365250.076415
374.520.20.06523
384160.0476660
393.512.20.0377832
403.19.610.02991050
412.87.840.02371320
422.56.250.01881670
432.24.840.01492100
44240.01182650
451.763.10.009813200
461.572.460.007754050
471.41.960.005935290
481.241.540.004367200
491.111.230.003668570
500.990.980.0030310400
510.880.7740.0023413400
520.780.6030.0018417000
530.70.490.0014821200
540.620.3840.0011626900
550.550.3020.00091634300
560.490.240.00072743200

 

*A circular mil is a term used to define conductor cross sectional areas using an arithmetic short-cut in which the area of a round wire is taken as “diameter in mils (0.001″) squared”. As a result, one circular mil is equal to p /4 square mils.


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