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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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