mm	in
0	0.000
1	0.039
2	0.079
3	0.118
4	0.157
5	0.197
6	0.236
7	0.276
8	0.315
9	0.354
10	0.394
11	0.433
12	0.472
13	0.512
14	0.551
15	0.591
16	0.630
17	0.669
18	0.709
19	0.748
20	0.787
21	0.827
22	0.866
23	0.906
24	0.945
25	0.984
26	1.024

Legend:
mm = millimeter
in = inch