Youth's Shoes

USA UK EU CM
1 13.5 32 19
2 1.5 33 ⅓ 20
3 2.5 34 ⅔ 21
4 3.5 36 22
5 4.5 37 ⅓ 23
5.5 5 38 23.5
6 5.5 38 ⅔ 24
7 6 40 25

Children's Shoes

USA UK EU CM
8 7.5 24 13
9 8.5 25 ⅓ 14
10 9.5 26 ⅔ 15
11 10.5 28 16
12 11.5 29 ⅓ 17
12.5 12 30 17.5
13 12.5 30 ⅔ 18

Toddler's Shoes

USA UK EU CM
4 3.5 18 ⅔ 9
5 4.5 20 10
6 5.5 21 ⅓ 11
7 6.5 22 ⅔ 12