THICKNESS (MM) GRAMS PER INCH
6 MM 2.65
6.5 MM 3.2
7 MM

4.1

8 MM

5.45

9 MM

6.8

10 MM

7.45

11 MM

9.3

12 MM

11.15

13 MM

12.11

14 MM

15.8

15 MM

17.8

16 MM

19.65

18 MM

22.1

20 MM

35.3

22 MM

40.1

23 MM

44.2