Diameter (mm)

Density g/cm3

Gram (g)

0.5

18

 

1

18

 

2

18

0.075

2.5

18

0.147

3

18

0.254

3.5

18

0.404

4

18

0.603

4.5

18

0.859

5

18

1.178

5.5

18

1.567

6

18

2.035

6.5

18

2.587

7

18

3.231

7.5

18

3.975

8

18

4.824

8.5

18

5.786

9

18

6.868

9.5

18

8.078

10

18

9.421

12

18

16.280

20

18