Wire Gauge Lookup Chart
This chart allows you to find the imperial and metric dimensions of SWG and AWG wires. Don't try to use it to convert between gauges!
Wire Number |
Standard Wire Gauge |
American Wire Gauge |
||
gauge |
in. |
mm |
in. |
mm |
0000000 (7/0) |
0.5000 |
12.700 |
- |
- |
000000 (6/0) |
0.4640 |
11.786 |
0.580000 |
14.7320 |
00000 (5/0) |
0.4320 |
10.973 |
0.516500 |
13.1191 |
0000 (4/0) |
0.4000 |
10.160 |
0.460000 |
11.6840 |
000 (3/0) |
0.3720 |
9.449 |
0.409642 |
10.4049 |
00 (2/0) |
0.3480 |
8.839 |
0.364796 |
9.2658 |
0 (1/0) |
0.3240 |
8.230 |
0.324861 |
8.2515 |
1 |
0.3000 |
7.620 |
0.289297 |
7.3481 |
2 |
0.2760 |
7.010 |
0.257627 |
6.5437 |
3 |
0.2520 |
6.401 |
0.229423 |
5.8273 |
4 |
0.2320 |
5.893 |
0.2043 |
5.1892 |
5 |
0.2120 |
5.385 |
0.1819 |
4.6203 |
6 |
0.1920 |
4.877 |
0.1620 |
4.1148 |
7 |
0.1760 |
4.470 |
0.1443 |
3.6652 |
8 |
0.1600 |
4.064 |
0.1285 |
3.2639 |
9 |
0.1440 |
3.658 |
0.1144 |
2.9058 |
10 |
0.1280 |
3.251 |
0.1019 |
2.5883 |
11 |
0.1160 |
2.946 |
0.0907 |
2.3038 |
12 |
0.1040 |
2.642 |
0.0808 |
2.0523 |
13 |
0.0920 |
2.337 |
0.0720 |
1.8288 |
14 |
0.0800 |
2.032 |
0.0641 |
1.6281 |
15 |
0.0720 |
1.829 |
0.0571 |
1.4503 |
16 |
0.0640 |
1.626 |
0.0508 |
1.2903 |
17 |
0.0560 |
1.422 |
0.0453 |
1.1506 |
18 |
0.0480 |
1.219 |
0.0403 |
1.0236 |
19 |
0.0400 |
1.016 |
0.0359 |
0.9119 |
20 |
0.0360 |
0.914 |
0.0320 |
0.8128 |
21 |
0.0320 |
0.813 |
0.0285 |
0.7239 |
22 |
0.0280 |
0.711 |
0.0253 |
0.6426 |
23 |
0.0240 |
0.610 |
0.0226 |
0.5740 |
24 |
0.0220 |
0.599 |
0.0201 |
0.5105 |
25 |
0.0200 |
0.508 |
0.0179 |
0.4547 |
26 |
0.0180 |
0.457 |
0.0159 |
0.4039 |
27 |
0.0164 |
0.417 |
0.0142 |
0.3607 |
28 |
0.0148 |
0.376 |
0.0126 |
0.3200 |
29 |
0.0136 |
0.345 |
0.0113 |
0.2870 |
30 |
0.0124 |
0.315 |
0.0100 |
0.2540 |
31 |
0.0116 |
0.295 |
0.0089 |
0.2261 |
32 |
0.0108 |
0.274 |
0.0080 |
0.2032 |
33 |
0.0100 |
0.254 |
0.0071 |
0.1803 |
34 |
0.0092 |
0.234 |
0.0063 |
0.1600 |
35 |
0.0084 |
0.213 |
0.0056 |
0.1422 |
36 |
0.0076 |
0.193 |
0.0050 |
0.1270 |
37 |
0.0068 |
0.173 |
0.0045 |
0.1143 |
38 |
0.0060 |
0.152 |
0.0040 |
0.1016 |
39 |
0.0052 |
0.132 |
0.0035 |
0.0889 |
40 |
0.0048 |
0.122 |
0.0031 |
0.0787 |
41 |
0.0044 |
0.112 |
0.0028 |
0.0711 |
42 |
0.0040 |
0.102 |
0.0025 |
0.0635 |
43 |
0.0036 |
0.0914 |
0.0022 |
0.0559 |
44 |
0.0032 |
0.0813 |
0.0020 |
0.0508 |
45 |
0.0028 |
0.0711 |
0.0018 |
0.0457 |
46 |
0.0024 |
0.0610 |
0.0016 |
0.0406 |
47 |
0.0020 |
0.0508 |
0.0014 |
0.0356 |
48 |
0.0016 |
0.0406 |
0.0012 |
0.0305 |
49 |
0.0012 |
0.0305 |
0.0011 |
0.0279 |
50 |
0.0010 |
0.0254 |
0.0010 |
0.0254 |
51 |
- |
- |
0.00088 |
0.02235 |
52 |
- |
- |
0.00078 |
0.0198 |
53 |
- |
- |
0.00070 |
0.0178 |
54 |
- |
- |
0.00062 |
0.0157 |
55 |
- |
- |
0.00055 |
0.0140 |
56 |
- |
- |
0.00049 |
0.01245 |