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Properties of Copper Wire
Size
AWG |
Diameter
inches |
Area
circ. mills1 |
Area
sq. inches |
Weight
lb/100 ft |
Resistance
Ω/1000 ft. |
| 4/0 | 0.4600 | 211,600 | 0.1662 | 64.05 | 0.0490 |
| 3/0 | 0.4096 | 167,800 | 0.1318 | 50.79 | 0.0618 |
| 2/0 | 0.3648 | 133,100 | 0.1045 | 40.28 | 0.0779 |
| 1/0 | 0.3249 | 105,500 | 0.08289 | 31.95 | 0.0983 |
| 2 | 0.2576 | 66,370 | 0.05213 | 20.09 | 0.1563 |
| 4 | 0.2043 | 41,740 | 0.03278 | 12.64 | 0.2485 |
| 6 | 0.1620 | 26,250 | 0.02062 | 7.95 | 0.3951 |
| 8 | 0.1285 | 16,510 | 0.01297 | 4.99 | 0.6282 |
| 10 | 0.1019 | 10,380 | 0.008155 | 3.14 | 0.9989 |
| 12 | 0.0808 | 6,530 | 0.005129 | 1.98 | 1.588 |
| 14 | 0.0640 | 4,107 | 0.003225 | 1.24 | 2.525 |
| 16 | 0.0508 | 2,583 | 0.002028 | 0.78 | 4.016 |
| 18 | 0.0403 | 1,624 | 0.001276 | 0.49 | 6.385 |
| 20 | 0.0319 | 1,022 | 0.0008023 | 0.31 | 10.15 |
| 22 | 0.0253 | 642.50 | 0.0005046 | 0.19 | 16.14 |
| 24 | 0.0201 | 404.00 | 0.0003173 | 0.12 | 25.67 |
| 26 | 0.0159 | 254.10 | 0.0001996 | 0.078 | 40.81 |
| 28 | 0.0126 | 159.80 | 0.0001255 | 0.048 | 64.90 |
| 30 | 0.0100 | 100.50 | 0.00007894 | 0.030 | 103.2 |
| 32 | 0.0079 | 63.21 | 0.00004964 | 0.019 | 164.1 |
1A circular mil is a unit of area, equal to the area of a circle with a diameter of one mil (0.001 inch).
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