Bogs Size Conversion

US UK EU
7 - 7.5 6 40
8 - 8.5 7 41
9 - 9.5 8 42
10 - 10.5 9 43
11 - 11.5 10 44
12 10.5 45
13 11 46
14 12 47
15 13 48
16 15 49
17 16 50
18 51