| Wire | Diameter | Diameter | Resistance | Resistance |
| Gauge | (Inches) | (mm) | Ω per 1000' | Ω per km |
| 0000 | 0.4600 | 11.6840 | 0.05 | 0.16 |
| 000 | 0.4096 | 10.4038 | 0.06 | 0.20 |
| 00 | 0.3648 | 9.2659 | 0.08 | 0.26 |
| 0 | 0.3249 | 8.2525 | 0.10 | 0.32 |
| 1 | 0.2893 | 7.3482 | 0.12 | 0.41 |
| 2 | 0.2576 | 6.5430 | 0.16 | 0.51 |
| 3 | 0.2294 | 5.8268 | 0.20 | 0.65 |
| 4 | 0.2043 | 5.1892 | 0.25 | 0.82 |
| 5 | 0.1819 | 4.6203 | 0.31 | 1.03 |
| 6 | 0.1620 | 4.1148 | 0.40 | 1.30 |
| 7 | 0.1443 | 3.6652 | 0.50 | 1.63 |
| 8 | 0.1285 | 3.2639 | 0.63 | 2.06 |
| 9 | 0.1144 | 2.9058 | 0.79 | 2.60 |
| 10 | 0.1019 | 2.5883 | 1.00 | 3.28 |
| 11 | 0.0907 | 2.3038 | 1.26 | 4.13 |
| 12 | 0.0808 | 2.0523 | 1.59 | 5.21 |
| 13 | 0.0720 | 1.8288 | 2.00 | 6.57 |
| 14 | 0.0641 | 1.6281 | 2.53 | 8.28 |
| 15 | 0.0571 | 1.4503 | 3.18 | 10.44 |
| 16 | 0.0508 | 1.2903 | 4.02 | 13.17 |
| 17 | 0.0453 | 1.1506 | 5.06 | 16.61 |
| 18 | 0.0403 | 1.0236 | 6.39 | 20.94 |
| 19 | 0.0359 | 0.9119 | 8.05 | 26.41 |
| 20 | 0.0320 | 0.8128 | 10.15 | 33.29 |
| Wire | Diameter | Diameter | Resistance | Resistance |
| Gauge | (Inches) | (mm) | Ω per 1000' | Ω per km |
| 21 | 0.0285 | 0.7239 | 12.80 | 41.98 |
| 22 | 0.0254 | 0.6452 | 16.14 | 52.94 |
| 23 | 0.0226 | 0.5740 | 20.36 | 66.78 |
| 24 | 0.0201 | 0.5105 | 25.67 | 84.20 |
| 25 | 0.0179 | 0.4547 | 32.37 | 106.17 |
| 26 | 0.0159 | 0.4039 | 40.81 | 133.86 |
| 27 | 0.0142 | 0.3607 | 51.47 | 168.82 |
| 28 | 0.0126 | 0.3200 | 64.90 | 212.87 |
| 29 | 0.0113 | 0.2870 | 81.83 | 268.40 |
| 30 | 0.0100 | 0.2540 | 103.20 | 338.50 |
| 31 | 0.0089 | 0.2261 | 130.10 | 426.73 |
| 32 | 0.0080 | 0.2032 | 164.10 | 538.25 |
| 33 | 0.0071 | 0.1803 | 206.90 | 678.63 |
| 34 | 0.0063 | 0.1600 | 260.90 | 855.75 |
| 35 | 0.0056 | 0.1422 | 329.00 | 1,079.12 |
| 36 | 0.0050 | 0.1270 | 414.80 | 1,360.00 |
| 37 | 0.0045 | 0.1143 | 523.10 | 1,715.00 |
| 38 | 0.0040 | 0.1016 | 659.60 | 2,163.00 |
| 39 | 0.0035 | 0.0889 | 831.80 | 2,728.00 |
| 40 | 0.0031 | 0.0787 | 1,049.00 | 3,440.00 |
Copyright © 1999 - 1728 Software Systems