| R=r/(Cross Sectional Area) | r(Cu)=1.694mW*cm at 20C | |||||||
| r(Cu)=2.263mW*cm at 100C | ||||||||
| Typical Wire Table for Copper Magnet Wire | ||||||||
| Copper | Insulated | Copper | Copper | Insulated | Copper | |||
| Diameter | Diameter | Cross Section | Diameter | Diameter | Cross Section | Ohms/CM | Ohms/IN | |
| AWG | (CM) | (CM) | (CM^2) | (IN) | (IN) | (IN^2) | 100C | 100C |
| 10 | 0.2587 | 0.2729 | 5.2564E-02 | 0.1019 | 0.1075 | 8.1474E-03 | 4.31E-05 | 1.09E-04 |
| 11 | 0.2304 | 0.2438 | 4.1680E-02 | 0.0907 | 0.0960 | 6.4604E-03 | 5.43E-05 | 1.38E-04 |
| 12 | 0.2051 | 0.2178 | 3.3050E-02 | 0.0808 | 0.0858 | 5.1227E-03 | 6.85E-05 | 1.74E-04 |
| 13 | 0.1827 | 0.1946 | 2.6206E-02 | 0.0719 | 0.0766 | 4.0620E-03 | 8.64E-05 | 2.19E-04 |
| 14 | 0.1627 | 0.1740 | 2.0780E-02 | 0.0640 | 0.0685 | 3.2209E-03 | 1.09E-04 | 2.77E-04 |
| 15 | 0.1448 | 0.1555 | 1.6477E-02 | 0.0570 | 0.0612 | 2.5540E-03 | 1.37E-04 | 3.49E-04 |
| 16 | 0.1290 | 0.1390 | 1.3066E-02 | 0.0508 | 0.0547 | 2.0252E-03 | 1.73E-04 | 4.40E-04 |
| 17 | 0.1149 | 0.1243 | 1.0360E-02 | 0.0452 | 0.0490 | 1.6058E-03 | 2.18E-04 | 5.55E-04 |
| 18 | 0.1023 | 0.1112 | 8.2151E-03 | 0.0403 | 0.0438 | 1.2733E-03 | 2.76E-04 | 7.00E-04 |
| 19 | 0.0911 | 0.0995 | 6.5141E-03 | 0.0359 | 0.0392 | 1.0097E-03 | 3.47E-04 | 8.83E-04 |
| 20 | 0.0811 | 0.0891 | 5.1653E-03 | 0.0319 | 0.0351 | 8.0062E-04 | 4.38E-04 | 1.11E-03 |
| 21 | 0.0722 | 0.0797 | 4.0957E-03 | 0.0284 | 0.0314 | 6.3484E-04 | 5.53E-04 | 1.40E-03 |
| 22 | 0.0643 | 0.0714 | 3.2477E-03 | 0.0253 | 0.0281 | 5.0339E-04 | 6.97E-04 | 1.77E-03 |
| 23 | 0.0573 | 0.0640 | 2.5752E-03 | 0.0225 | 0.0252 | 3.9916E-04 | 8.79E-04 | 2.23E-03 |
| 24 | 0.0510 | 0.0573 | 2.0420E-03 | 0.0201 | 0.0226 | 3.1651E-04 | 1.11E-03 | 2.82E-03 |
| 25 | 0.0454 | 0.0514 | 1.6192E-03 | 0.0179 | 0.0202 | 2.5097E-04 | 1.40E-03 | 3.55E-03 |
| 26 | 0.0404 | 0.0461 | 1.2839E-03 | 0.0159 | 0.0181 | 1.9901E-04 | 1.76E-03 | 4.48E-03 |
| 27 | 0.0360 | 0.0413 | 1.0181E-03 | 0.0142 | 0.0163 | 1.5780E-04 | 2.22E-03 | 5.65E-03 |
| 28 | 0.0321 | 0.0371 | 8.0726E-04 | 0.0126 | 0.0146 | 1.2513E-04 | 2.80E-03 | 7.12E-03 |
| 29 | 0.0285 | 0.0333 | 6.4011E-04 | 0.0112 | 0.0131 | 9.9218E-05 | 3.54E-03 | 8.98E-03 |
| 30 | 0.0254 | 0.0299 | 5.0757E-04 | 0.0100 | 0.0118 | 7.8674E-05 | 4.46E-03 | 1.13E-02 |
| 31 | 0.0226 | 0.0269 | 4.0247E-04 | 0.0089 | 0.0106 | 6.2383E-05 | 5.62E-03 | 1.43E-02 |
| 32 | 0.0202 | 0.0241 | 3.1914E-04 | 0.0079 | 0.0095 | 4.9466E-05 | 7.09E-03 | 1.80E-02 |
| 33 | 0.0179 | 0.0217 | 2.5306E-04 | 0.0071 | 0.0085 | 3.9224E-05 | 8.94E-03 | 2.27E-02 |
| 34 | 0.0160 | 0.0195 | 2.0066E-04 | 0.0063 | 0.0077 | 3.1102E-05 | 1.13E-02 | 2.87E-02 |
| 35 | 0.0142 | 0.0176 | 1.5911E-04 | 0.0056 | 0.0069 | 2.4662E-05 | 1.42E-02 | 3.61E-02 |
| 36 | 0.0127 | 0.0158 | 1.2617E-04 | 0.0050 | 0.0062 | 1.9556E-05 | 1.79E-02 | 4.56E-02 |
| 37 | 0.0113 | 0.0143 | 1.0004E-04 | 0.0044 | 0.0056 | 1.5506E-05 | 2.26E-02 | 5.75E-02 |
| 38 | 0.0100 | 0.0129 | 7.9327E-05 | 0.0040 | 0.0051 | 1.2296E-05 | 2.85E-02 | 7.25E-02 |
| 39 | 0.0089 | 0.0116 | 6.2902E-05 | 0.0035 | 0.0046 | 9.7498E-06 | 3.60E-02 | 9.14E-02 |
| 40 | 0.0080 | 0.0105 | 4.9877E-05 | 0.0031 | 0.0041 | 7.7310E-06 | 4.54E-02 | 1.15E-01 |
| 41 | 0.0071 | 0.0095 | 3.9550E-05 | 0.0028 | 0.0037 | 6.1302E-06 | 5.72E-02 | 1.45E-01 |
| 42 | 0.0063 | 0.0085 | 3.1360E-05 | 0.0025 | 0.0034 | 4.8609E-06 | 7.22E-02 | 1.83E-01 |
| 43 | 0.0056 | 0.0077 | 2.4867E-05 | 0.0022 | 0.0030 | 3.8544E-06 | 9.10E-02 | 2.31E-01 |
| 44 | 0.0050 | 0.0070 | 1.9718E-05 | 0.0020 | 0.0028 | 3.0563E-06 | 1.15E-01 | 2.92E-01 |
| 45 | 0.0045 | 0.0063 | 1.5635E-05 | 0.0018 | 0.0025 | 2.4235E-06 | 1.45E-01 | 3.68E-01 |
| 46 | 0.0040 | 0.0057 | 1.2398E-05 | 0.0016 | 0.0023 | 1.9217E-06 | 1.83E-01 | 4.64E-01 |