mm

inch

5.5

0.217

5.7

0.224

6.0

0.236

6.5

0.256

7.0

0.276

7.5

0.295

8.0

0.315

8.5

0.335

9.0

0.354

9.5

0.374

10.0

0.394

11.0

0.433

12.0

0.472

13.0

0.512

14.0

0.551

15.0

0.591

16.0

0.63

17.0

0.669

18.0

0.709

19.0

0.748

20.0

0.787

21.0

0.827

22.0

0.866

23.0

0.906

24.0

0.945

25.0

0.984

26.0

1.024

27.0

1.063

28.0

1.102

29.0

1.142

30.0

1.181

32.0

1.260

33.0

1.299

34.0

1.339

36.0

1.417

38.0

1.496