SWG - Standard Wire Gauge
Standard Wire Gauge SWG | Diameter | |
---|---|---|
inches | mm | |
7/0 | 0.500 | 12.700 |
6/0 | 0.464 | 11.786 |
5/0 | 0.432 | 10.973 |
4/0 | 0.400 | 10.160 |
3/0 | 0.372 | 9.449 |
2/0 | 0.348 | 8.839 |
1/0 | 0.324 | 8.236 |
1 | 0.300 | 7.620 |
2 | 0.276 | 7.010 |
3 | 0.252 | 6.401 |
4 | 0.232 | 5.893 |
5 | 0.212 | 5.385 |
6 | 0.192 | 4.877 |
7 | 0.176 | 4.470 |
8 | 0.160 | 4.064 |
9 | 0.144 | 3.658 |
10 | 0.128 | 3.251 |
11 | 0.116 | 2.946 |
12 | 0.104 | 2.642 |
13 | 0.092 | 2.337 |
14 | 0.080 | 2.032 |
15 | 0.072 | 1.829 |
16 | 0.064 | 1.626 |
17 | 0.056 | 1.422 |
18 | 0.048 | 1.219 |
19 | 0.040 | 1.016 |
20 | 0.036 | 0.914 |
21 | 0.032 | 0.813 |
22 | 0.028 | 0.711 |
23 | 0.024 | 0.610 |
24 | 0.022 | 0.559 |
25 | 0.020 | 0.508 |
26 | 0.018 | 0.457 |
27 | 0.0164 | 0.417 |
28 | 0.0148 | 0.376 |
29 | 0.0136 | 0.345 |
30 | 0.0124 | 0.315 |
31 | 0.0116 | 0.295 |
32 | 0.0108 | 0.274 |
33 | 0.0100 | 0.254 |
34 | 0.0092 | 0.234 |
35 | 0.0084 | 0.213 |
36 | 0.0076 | 0.193 |
37 | 0.0068 | 0.173 |
38 | 0.006 | 0.152 |
39 | 0.0052 | 0.132 |
40 | 0.0048 | 0.122 |
41 | 0.0044 | 0.112 |
42 | 0.004 | 0.102 |
43 | 0.0036 | 0.091 |
44 | 0.0032 | 0.081 |
45 | 0.0028 | 0.071 |
46 | 0.0024 | 0.061 |
47 | 0.002 | 0.051 |
48 | 0.0016 | 0.041 |
49 | 0.0012 | 0.030 |
50 | 0.001 | 0.025 |
The Standard Wire Gauge (SWG) series commonly used in Great Britain were given in BS 3737: 1964. The standard is now withdrawn. The basis of the system is the mil, or 0.001 inches.
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