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Copper WIRE Characteristics

Gauge Number Bare Diameter Area of Copper Ohms per 1000 Ft. Weights in Pounds per 1000 Ft.
Circular Mills Square Inch At 25°C At 75°C Bare
36 .0050 25.0 .0000196 424 505 .0755
35 .0056 31.4 .0000246 338 403 .0948
34 .0063 39.7 .0000312 266 318 .120
33 .0071 50.4 .0000396 210 250 .153
32 .0080 64.0 .0000503 165 197 .194
31 .0089 79.2 .0000622 134 159 .240
30 .0100 100 .0000785 106 126 .302
29 .0113 128 .000100 83.1 99.1 .385
28 .0126 159 .000125 66.4 79.2 .482
27 .0142 202 .000158 52.6 62.7 .609
26 .0159 253 .000199 41.7 49.8 .767
25 .0179 320 .000252 33.0 39.3 .971
24 .0201 404 .000317 26.2 31.2 1.22
23 .0226 511 .000401 20.7 24.7 1.54
22 .0254 645 .000507 16.4 19.5 1.95
21 .0285 812 .000638 13.0 15.5 2.46
20 .032 1,020 .000804 10.3 12.3 3.10
19 .036 1,300 .00102 8.14 9.71 3.93
18 .040 1,600 .00126 6.59 7.86 4.85
17 .045 2,030 .00159 5.22 6.23 6.12
16 .051 2,600 .00204 4.07 4.86 7.86
15 .057 3,250 .00255 3.26 3.88 9.82
14 .064 4,100 .00322 2.58 3.08 12.4
13 .072 5,180 .00407 2.04 2.43 15.7
12 .081 6,560 .00515 1.61 1.92 19.8
11 .091 8,280 .00650 1.28 1.52 25.0
10 .102 10,400 .00817 1.02 1.21 31.5
9 .114 13,000 .0102 .814 .971 39.3
8 .129 16,600 .0131 .634 .756 50.5
7 .144 20,700 .0163 .510 .608 62.8
6 .162 26,200 .0206 .403 .481 79.4
5 .182 33,100 .0260 .319 .381 100
4 .204 41,600 .0327 .254 .303 126
3 .229 52,400 .0412 .202 .240 159
2 .258 66,600 .0523 .159 .189 201
0 .325 106,000 .0830 .100 .119 320
2-0 .365 133,000 .105 .0791 .0943 404
4-0 .460 212,000 .166 .0500 .0597 650
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