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Calculate Wire Gauge

Release Date:[6/26/2010]     Hit Count:[]    

Calculate Wire Gauge

Wire diameter is a premier factor in determining the wire mesh specification. There are normally fours ways to identify the wire diameters: BWG, SWG or by mm or by inch.

Gauge is a measurement of wire thickness. There are some different national systems of gauge sizes, French, British, US, Berminham, etc. As the same gauge number in different countries refers to different wire diameters, this has become a great cause of confusion. So nowadays, we usually use wire diameter in mm or in inch instead of gauge number to specify our products.

How Wire Gauge Gets it Name: The wire gage system used by practically all the steel producers in the United States is known by the name Steel Wire Gage or to distinguish if from the Standard Wire Gage (S.W.G.) used in Great Britain it is called he United States Steel Wire Gage.

In Great Britain one wire gage has been legalized. This is called the Standard Wire Gage (S.W.G.), formerly called Imperial Wire Gage.

S.W.G., B.W.G., MM, INCH. Comparisons Table:

Guage SWG BWG BG AWG
inch mm inch mm inch mm inch mm
7/0 0.5 12.7 0.6666 16.932
6/0 0.464 11.786 0.625 15.875 0.58 14.732
5/0 0.432 10.973 0.5 12.7 0.5883 14.943 0.5165 13.119
4/0 0.4 10.16 0.454 11.532 0.5416 13.757 0.46 11.684
3/0 0.372 9.449 0.425 10.795 0.5 12.7 0.4096 10.404
2/0 0.348 8.839 0.38 9.625 0.4452 11.308 0.3648 9.266
0 0.324 8.23 0.34 8.639 0.3954 10.069 0.3249 8.252
1 0.3 7.62 0.03 7.62 0.3532 8.971 0.2893 7.348
2 0.276 7.01 0.284 7.214 0.3147 7.993 0.2576 6.544
3 0.252 6.401 0.259 6.579 0.2804 7.122 0.2294 5.827
4 0.232 5.893 0.283 6.045 0.25 6.35 0.2043 5.189
5 0.212 5.385 0.22 5.588 0.2225 5.652 0.1819 4.621
6 0.192 4.877 0.203 5.156 0.1981 5.032 0.162 4.115
7 0.176 4.47 0.18 4.572 0.1764 4.481 0.1443 3.665
8 0.16 4.046 0.165 4.191 0.157 3.988 0.1285 3.264
9 0.144 3.658 0.148 3.759 0.1398 3.551 0.1144 2.906
10 0.128 3.215 0.134 3.404 0.125 3.175 0.1019 2.588
11 0.116 2.946 0.12 3.048 0.1113 2.827 0.0907 2.305
12 0.104 2.642 0.109 2.769 0.0991 2.517 0.0808 2.053
13 0.092 2.337 0.095 2.413 0.0882 2.24 0.072 1.828
14 0.08 2.032 0.083 2.108 0.0785 1.994 0.0641 1.628
15 0.072 1.829 0.072 1.829 0.0699 1.775 0.0571 1.45
16 0.064 1.626 0.065 1.651 0.0625 1.588 0.0508 1.291
17 0.056 1.422 0.058 1.473 0.0556 1.412 0.0453 1.15
18 0.048 1.219 0.049 1.245 0.0495 1.257 0.0403 1.024
19 0.04 1.016 0.042 1.067 0.044 1.118 0.0359 0.912
20 0.036 0.914 0.035 0.839 0.0392 0.996 0.032 0.812
21 0.032 0.813 0.032 0.831 0.349 0.887 0.0285 0.723
22 0.028 0.711 0.028 0.711 0.03125 0.749 0.02535 0.644
23 0.024 0.61 0.025 0.635 0.02782 0.707 0.02256 0.573
24 0.022 0.559 0.022 0.559 0.02476 0.629 0.02011 0.511
25 0.02 0.508 0.02 0.508 0.02204 0.56 0.01791 0.455
26 0.018 0.457 0.018 0.457 0.01961 0.498 0.01594 0.405
27 0.0164 0.417 0.016 0.406 0.01745 0.443 0.0142 0.361
28 0.0148 0.376 0.014 0.356 0.01562 0.397 0.01264 0.321
29 0.0136 0.345 0.013 0.33 0.0139 0.353 0.01126 0.286
30 0.0124 0.315 0.012 0.305 0.0123 0.312 0.01003 0.255
31 0.0116 0.295 0.01 0.254 0.011 0.27 0.00893 0.227
32 0.0108 0.274 0.009 0.229 0.0098 0.249 0.00795 0.202
33 0.01 0.254 0.008 0.203 0.0087 0.221 0.00708 0.18
34 0.0092 0.234 0.007 0.178 0.0077 0.196 0.0063 0.16
35 0.0084 0.213 0.005 0.127 0.0069 0.175 0.00561 0.143
36 0.0076 0.193 0.004 0.102 0.0061 0.155 0.005 0.127
37 0.0068 0.173 0.0054 0.137 0.00445 0.113
38 0.006 0.152 0.0048 0.122 0.00396 0.101
40 0.0048 0.122 0.00386 0.098 0.00314 0.08
41 0.0044 0.112 0.00343 0.087 0.0028 0.071
42 0.004 0.102 0.00306 0.078 0.00249 0.063
43 0.0036 0.091 0.00272 0.069 0.00222 0.056
44 0.0032 0.081 0.00242 0.061 0.00198 0.05
45 0.0028 0.071 0.00215 0.055 0.00176 0.048
46 0.0024 0.061 0.00192 0.049 0.00157 0.04
47 0.002 0.051 0.0017 0.043 0.0014 0.035
48 0.0016 0.041 0.00152 0.039 0.00124 0.032
49 0.0012 0.03 0.00135 0.034 0.00111 0.028
50 0.001 0.025 0.0012 0.03 0.00099 0.025

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