Wire Gauge Size Conversions
Table 5: AWG and B&S Diameter and Cross Sectional Areas
| AWG or B&S Number |
Diameter |
Cross Section Area |
| Inches |
mm |
Square Inches |
Square mm |
Circular Mils |
| 0000 |
0.4600 |
11.68 |
0.1662 |
107.2 |
211600 |
| 000 |
0.4096 |
10.40 |
0.1318 |
85.03 |
167800 |
| 00 |
0.3648 |
9.266 |
0.1045 |
67.43 |
133100 |
| 0 |
0.3249 |
8.252 |
0.08289 |
53.48 |
105500 |
| 1 |
0.2893 |
7.348 |
0.06573 |
42.41 |
83690 |
| 2 |
0.2576 |
6.543 |
0.05123 |
33.63 |
66370 |
| 3 |
0.2294 |
5.827 |
0.04134 |
26.27 |
52630 |
| 4 |
0.2043 |
5.189 |
0.03278 |
21.15 |
41740 |
| 5 |
0.1879 |
4.620 |
0.02600 |
16.77 |
33100 |
| 6 |
0.1620 |
4.115 |
0.02062 |
13.30 |
26250 |
| 7 |
0.1443 |
3.665 |
0.01635 |
10.55 |
20820 |
| 8 |
0.1285 |
3.264 |
0.01297 |
8.366 |
16510 |
| 9 |
0.1144 |
2.906 |
0.01028 |
6.634 |
13090 |
| 10 |
0.1019 |
2.588 |
0.008156 |
5.261 |
10380 |
| 11 |
0.09074 |
2.305 |
0.006467 |
4.172 |
8234 |
| 12 |
0.08081 |
2.053 |
0.005129 |
3.309 |
6530 |
| 13 |
0.07196 |
1.828 |
0.004067 |
2.624 |
5178 |
| 14 |
0.06408 |
1.628 |
0.003225 |
2.081 |
4107 |
| 15 |
0.05707 |
1.450 |
0.002558 |
1.650 |
3257 |
| 16 |
0.05082 |
1.291 |
0.002028 |
1.309 |
2583 |
| 17 |
0.04526 |
1.150 |
0.001609 |
1.038 |
2048 |
| 18 |
0.04030 |
1.024 |
0.001276 |
0.8231 |
1600 |
| 19 |
0.03589 |
0.9116 |
0.001012 |
0.6527 |
1288 |
| 20 |
0.03196 |
0.8118 |
0.0008023 |
0.5176 |
1022 |
| 21 |
0.02846 |
0.7229 |
0.0006363 |
0.4105 |
810.1 |
| 22 |
0.02535 |
0.6439 |
0.0005046 |
0.3256 |
642.4 |
| 23 |
0.02257 |
0.5733 |
0.0004001 |
0.2582 |
509.5 |
| 24 |
0.02010 |
0.5105 |
0.0003173 |
0.2047 |
404.0 |
| 25 |
0.01790 |
0.4547 |
0.0002517 |
0.1624 |
320.4 |
| 26 |
0.01584 |
0.4049 |
0.0001996 |
0.1288 |
254.1 |
| 27 |
0.01420 |
0.3607 |
0.0001583 |
0.1021 |
201.5 |
| 28 |
0.01264 |
0.3211 |
0.0001255 |
0.08098 |
159.8 |
| 29 |
0.01126 |
0.2860 |
0.00009954 |
0.06422 |
126.7 |
| 30 |
0.01003 |
0.2548 |
0.00007894 |
0.05093 |
100.5 |
| 31 |
0.008928 |
0.2268 |
0.00006260 |
0.04039 |
79.7 |
| 32 |
0.007950 |
0.2019 |
0.00004964 |
0.03023 |
63.21 |
| 33 |
0.007080 |
0.1796 |
0.00003944 |
0.02545 |
50.22 |
| 34 |
0.006305 |
0.1601 |
0.00003122 |
0.02014 |
39.75 |
| 35 |
0.005615 |
0.1426 |
0.00002476 |
0.01597 |
31.52 |
| 36 |
0.005000 |
0.1270 |
0.00001963 |
0.01267 |
25.00 |
| 37 |
0.004453 |
0.1131 |
0.00001557 |
0.01005 |
19.83 |
| 38 |
0.003965 |
0.1007 |
0.00001235 |
0.00797 |
15.72 |
| 39 |
0.003531 |
0.0897 |
0.00000979 |
0.00632 |
12.47 |
| 40 |
0.003145 |
0.0799 |
0.00000777 |
0.00501 |
9.888 |
| 41 |
0.002800 |
0.0711 |
0.00000616 |
0.00397 |
7.842 |
| 42 |
0.002494 |
0.0633 |
0.00000488 |
0.00315 |
6.219 |
| 43 |
0.002221 |
0.0564 |
0.00000387 |
0.00250 |
4.932 |
| 44 |
0.001978 |
0.0502 |
0.00000307 |
0.00198 |
3.911 |
| 45 |
0.001761 |
0.0447 |
0.00000244 |
0.00157 |
3.102 |
| 46 |
0.001568 |
0.0398 |
0.00000193 |
0.00125 |
2.460 |
| 47 |
0.001397 |
0.0355 |
0.00000153 |
0.00099 |
1.951 |
| 48 |
0.001244 |
0.0316 |
0.00000122 |
0.00078 |
1.547 |
| 49 |
0.001107 |
0.0281 |
0.00000096 |
0.00062 |
1.227 |
| 50 |
0.000986 |
0.0251 |
0.00000076 |
0.00049 |
0.973 |
Note: This table is for reference only and complete information should be
obtained from the appropriate agency. |
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