Infant

 US UK EU
2 1.5 17.5
2.5 2 18
3 2.5 18.5
3.5 3 19
4 3.5 19.5
4.5 4 20
5 4.5 21
5.5 5 21.5
6 5.5 22
6.5 6 23
7 6.5 23.5
7.5 7 24
8 7.5 25

Junior

 US UK EU
8.5 8 25.5
9 8.5 26
9.5 9 27
10 9.5 27.5
10.5 10 28
11 10.5 28.5
11.5 11 29
12 11.5 30
12.5 12 30.5
13 12.5 31
13.5 13 32
14 13.5 32.5
2 1 33
3 2 34
3.5 2.5 35

Senior

 US UK EU
5 3 36
6 4
37
7 5
38
8 6
39
9 7
41
10 8
42