Gramme en Grains
0,8 = 12.346 = 12.5 Grains
0,9 = 13.889 = 14
1 = 15,432 = 15.5
1,1 = 16.975 = 17
1,2 = 18.519 = 18.5
1,3 = 20.062 = 20
1,4 = 21.605 = 21.5
1,5 = 23.148 = 23
Grain en gramme
15 grains = 0.972 gramme
18 = 1.166
21 = 1.361
24 = 1.555