Nike GS

US – Kids' 3.5Y 4Y 4.5Y 5Y 5.5Y 6Y 6.5Y 7Y
UK 3 3.5 4 4.5 5 5.5 6 6
CM/JP 22.5 23 23.5 23.5 24 24 24.5 25
EU 35.5 36 36.5 37.5 38 38.5 39 40

  

Nike/Jordan

US – Men's

3.5

4

4.5

5

5.5

6

6.5

7

7.5

8

8.5

9

9.5

10

10.5

11

11.5

12

US – Women's

5

5.5

6

6.5

7

7.5

8

8.5

9

9.5

10

10.5

11

11.5

12

12.5

13

13.5

UK

3

3.5

4

4.5

5

5.5

6

6

6.5

7

7.5

8

8.5

9

9.5

10

10.5

11

CM/JP

22.5

23

23.5

23.5

24

24

24.5

25

25.5

26

26.5

27

27.5

28

28.5

29

29.5

30

EU

35.5

36

36.5

37.5

38

38.5

39

40

40.5

41

42

42.5

43

44

44.5

45

45.5

46