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| STANDARD WIRE GUAGE | ![]() |
| SWG No. | Dia. inch | Dia. mm | SWG No. | Dia. inch | Dia. mm | SWG No. | Dia. inch | Dia. mm |
|---|---|---|---|---|---|---|---|---|
| 7/0 | .500 | 12.7000 | 13 | .092 | 2.2368 | 32 | .0108 | 0.2743 |
| 6/0 | .464 | 11.7856 | 14 | .080 | 2.0320 | 33 | .0100 | 0.2540 |
| 5/0 | .432 | 10.9728 | 15 | .072 | 1.8288 | 34 | .0092 | 0.2337 |
| 4/0 | .400 | 10.1600 | 16 | .064 | 1.6256 | 35 | .0084 | 0.2134 |
| 3/0 | .372 | 9.4488 | 17 | .056 | 1.4224 | 36 | .0076 | 0.1930 |
| 2/0 | .348 | 8.8392 | 18 | .048 | 1.2192 | 37 | .0068 | 0.1727 |
| 1/0 | .324 | 8.2296 | 19 | .040 | 1.0160 | 38 | .0060 | 0.1524 |
| 1 | .300 | 7.6200 | 20 | .036 | 0.9144 | 39 | .0052 | 0.1321 |
| 2 | .276 | 7.0104 | 21 | .032 | 0.8128 | 40 | .0048 | 0.1219 |
| 3 | .252 | 6.4008 | 22 | .028 | 0.7112 | 41 | .0044 | 0.1118 |
| 4 | .232 | 5.8928 | 23 | .024 | 0.6096 | 42 | .0040 | 0.1016 |
| 5 | .212 | 5.3848 | 24 | .022 | 0.5588 | 43 | .0036 | 0.0914 |
| 6 | .192 | 4.8768 | 25 | .020 | 0.5080 | 44 | .0032 | 0.0813 |
| 7 | .176 | 4.4704 | 26 | .018 | 0.4572 | 45 | .0028 | 0.0711 |
| 8 | .160 | 4.0640 | 27 | .0164 | 0.4166 | 46 | .0024 | 0.0610 |
| 9 | .144 | 3.6576 | 28 | .0148 | 0.3759 | 47 | .0020 | 0.0580 |
| 10 | .128 | 3.2512 | 29 | .0136 | 0.3454 | 48 | .0016 | 0.0406 |
| 11 | .116 | 2.9464 | 30 | .0214 | 0.3150 | 49 | .0012 | 0.0305 |
| 12 | .104 | 2.6416 | 31 | .0116 | 0.2946 | 50 | .0010 | 0.0254 |
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