Kid's Footwear: 3-7 years old

USA UK EU CM
10 9 27 16
10.5 9.5 27.5 16.5
11 10 28 17
11.5 10.5 28.5 17.5
12 11 29 18
12.5 11.5 30 18.5
13 12 30.5 19
13.5 12.5 31 19.5
1 13 32 20
1.5 13.5 32.5 20.5
2 1 33 21
2.5 1.5 33.5 21.5
3 2 34 22

Boy's Footwear: 8 & up years old

USA UK EU CM
3.5 2.5 34.5 22.5
4 3 35 23
4.5 3.5 35.5 23.5
5 4 36 24
5.5 4.5 36.5 24.5
6 5 37 25
6.5 5.5 38 25.3
7 6 39 25.5