dukedog-SWG

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