SWG   INCH                MM            
  0        .3240                8.23          
  1        .3000                7.62
  2        .2760                7.01
  3        .2520                6.40         
  4        .2320                5.89
  5        .2120                5.38         
  6        .1920                4.88
  7        .1760                4.47          
  8        .1600                4.06
  9        .1440                3.66
10        .1280                3.25
11        .1160                2.95
12        .1040                2.64
13        .0920                2.34
14        .0800                2.03
15        .0720                1.83
16        .0640                1.63
17        .0560                1.42         
18        .0480                1.22
19        .0400                1.02          
        

                   
         

        

SWG   INCH                MM 
20        .0360                .91 
21        .0320                .81
22        .0280                .71
23        .0240                .61
24        .0220                .56 
25        .0200                .51
26        .0180                .46
27        .0164                .42
28        .0149                .38  
29        .0136                .35
30        .0124                .31
31        .0116                .29
32        .0108                .27
33        .0100                .25
34        .0092                .23
35        .0084                .21
36        .0076                .19
37        .0068                .17
38        .0060                .15
39        .0052                .13
40        .0048                .12

standard wire gauges

Three Mills

 Opening Page


 Contents
 West Midlands  group
 feet & inch conversions
 wire gauge sizes
 3mm loading gauge
 number drill sizes
 loco wiring

 3mm scale photos

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