


Thickness in inches and Millimeters
No. |
Standard wire
gauge |
Birmingham gauge |
||
in. |
mm |
in. |
mm |
|
15/0 |
- |
- |
1.000 |
25.4 |
14/0 |
- |
- |
0.9583 |
24.34 |
13/0 |
- |
- |
0.9167 |
23.28 |
12/0 |
- |
- |
0.8750 |
22.22 |
11/0 |
- |
- |
0.8333 |
21.17 |
10/0 |
- |
- |
0.7917 |
20.11 |
9/0 |
- |
- |
0.750 |
19.05 |
8/0 |
- |
- |
0.7083 |
17.99 |
7/0 |
0.500 |
12.700 |
0.6666 |
16.93 |
6/0 |
0.464 |
11.786 |
0.625 |
15.88 |
5/0 |
0.432 |
10.973 |
0.5883 |
14.94 |
4/0 |
0.400 |
10.160 |
0.5416 |
13.76 |
3/0 |
0.372 |
9.449 |
0.500 |
12.70 |
2/0 |
0.348 |
8.839 |
0.4452 |
11.31 |
0 |
0.324 |
8.230 |
0.3964 |
10.07 |
1 |
0.300 |
7.620 |
0.3532 |
8.971 |
2 |
0.276 |
7.010 |
0.3147 |
7.993 |
3 |
0.252 |
6.401 |
0.2804 |
7.122 |
4 |
0.232 |
5.893 |
0.250 |
6.350 |
5 |
0.212 |
5.385 |
0.2225 |
5.652 |
6 |
0.192 |
4.877 |
0.1981 |
5.032 |
7 |
0.716 |
4.470 |
0.1764 |
4.481 |
8 |
0.160 |
4.064 |
0.1570 |
3.988 |
9 |
0.144 |
3.658 |
0.1398 |
3.551 |
10 |
0.128 |
3.251 |
0.1250 |
3.175 |
11 |
0.116 |
2.946 |
0.1113 |
2.827 |
12 |
0.104 |
2.642 |
0.0991 |
2.517 |
13 |
0.092 |
2.337 |
0.0882 |
2.250 |
14 |
0.080 |
2.032 |
0.0785 |
1.994 |
15 |
0.072 |
1.829 |
0.0699 |
1.775 |
16 |
0.064 |
1.626 |
0.0625 |
1.588 |
17 |
0.056 |
1.422 |
0.0556 |
1.412 |
18 |
0.048 |
1.219 |
0.0495 |
1.257 |
19 |
0.040 |
1.016 |
0.0440 |
1.118 |
20 |
0.036 |
0.914 |
0.0392 |
0.9957 |
21 |
0.032 |
0.813 |
0.0349 |
0.08865 |
22 |
0.028 |
0.711 |
0.03125 |
0.7938 |
23 |
0.024 |
0.610 |
0.02782 |
0.7066 |
24 |
0.022 |
0.559 |
0.02476 |
0.6289 |
25 |
0.020 |
0.508 |
0.02204 |
0.5599 |
26 |
0.018 |
0.457 |
0.01961 |
0.4981 |
27 |
0.0164 |
0.4166 |
0.01745 |
0.4432 |
28 |
0.0148 |
0.3579 |
0.015625 |
0.3969 |
29 |
0.0136 |
0.3454 |
0.0139 |
0.3531 |
30 |
0.0124 |
0.3150 |
0.0123 |
0.3124 |
31 |
0.0116 |
0.2946 |
0.0110 |
0.2794 |
32 |
0.0108 |
0.2743 |
0.0098 |
0.2489 |
33 |
0.0100 |
02540 |
0.0087 |
0.2210 |
34 |
0.0092 |
0.2337 |
0.0070 |
0.1956 |
35 |
0.0084 |
0.2134 |
0.0069 |
0.1753 |
36 |
0.0076 |
0.1930 |
0.0061 |
0.1549 |
37 |
0.0068 |
0.1727 |
0.0054 |
0.1372 |
38 |
0.0060 |
0.1524 |
0.0048 |
0.1219 |
39 |
0.0052 |
0.1321 |
0.0043 |
0.1092 |
40 |
0.0048 |
0.1219 |
0.00386 |
0.09804 |
41 |
0.0044 |
0.1118 |
0.00343 |
0.08712 |
42 |
0.0040 |
0.1016 |
0.00306 |
0.07772 |
43 |
0.0036 |
0.0914 |
0.00272 |
0.06909 |
44 |
0.0032 |
0.0813 |
0.00242 |
0.06147 |
45 |
0.0028 |
0.0711 |
0.00215 |
0.05461 |
46 |
0.0024 |
0.0610 |
0.00192 |
0.04877 |
47 |
0.0020 |
0.0508 |
0.00170 |
0.04318 |
48 |
0.0016 |
0.0406 |
0.00152 |
0.03861 |
49 |
0.0012 |
0.0305 |
0.00135 |
0.03429 |
50 |
0.0010 |
0.0254 |
0.00120 |
0.03048 |
51 |
- |
0.00107 |
0.02718 |
|
52 |
- |
0.00095 |
0.02413 |
|