Metric and Inches equivalent of   Steel   Wire Gauge

SWG inch x103 mm - SWG inch x103 mm - SWG inch x103 mm -
7/0 500 12.7 - 13 92 2.34 - 33 10.0 0.254 -
6/0 464 11.8 - 14 80 2.03 - 34 9.2 0.234 -
5/0 432 11.0 - 15 72 1.83 - 35 8.4 0.213 -
4/0 400 10.2 - 16 64 1.63 - 36 7.6 0.193 -
3/0 372 9.45 - 17 56 1.42 - 37 6.8 0.173 -
- - - - 18 48 1.22 - 38 6.0 0.152 -
00 348 8.84 - 19 40 1.02 - 39 5.2 0.132 -
0 324 8.23 - 20 36 0.914 - 40 4.8 0.122 -
1 300 7.62 - 21 32 0.813 - 41 4.4 0.112 -
2 276 7.01 - 22 28 0.711 - 42 4.0 0.102 -
3 252 6.40 - 23 24 0.610 - 43 3.6 0.091 -
4 232 5.89 - 24 22 0.559 - 44 3.2 0.081 -
5 212 5.38 - 25 20 0.508 - 45 2.8 0.071 -
6 192 4.88 - 26 18 0.457 - 46 2.4 0.061 -
7 176 4.47 - 27 16.4 0.417 - 47 2.0 0.051 -
8 160 4.06 - 28 14.8 0.376 - 48 1.6 0.041 -
9 144 3.66 - 29 13.6 0.345 - 49 1.2 0.030 -
10 128 3.25 - 30 12.4 0.315 - 50 1.0 0.025 -
11 116 2.95 - 31 11.6 0.295 - - - - -
12 104 2.64 - 32 10.8 0.274 - - - - -