US - Men US - Women US - Kids UK EU CM / JP Foot Length (in)
3.5 5 3.5Y 3 35.5 22.5 8 1/2
4 5.5 4Y 3.5 36 23 8 11/16
4.5 6 4.5Y 4 36.5 23.5 8 13/16
5 6.5 5Y 4.5 37.5 23.5 9
5.5 7 5.5Y 5 38 24 9 3/16
6 7.5 6Y 5.5 38.5 24 9 5/16
6.5 8 6.5Y 6 39 24.5 9 1/2
7 8.5 7Y 6 40 25 9 11/16
7.5 9 -- 6.5 40.5 25.5 9 13/16
8 9.5 -- 7 41 26 10
8.5 10 -- 7.5 42 26.5 10 3/16
9 10.5 -- 8 42.5 27 10 5/16
9.5 11 -- 8.5 43 27.5 10 1/2
10 11.5 -- 9 44 28 10 11/16
10.5 12 -- 9.5 44.5 28.5 10 13/16
11 12.5 -- 10 45 29 11
11.5 13 -- 10.5 45.5 29.5 11 3/16
12 13.5 -- 11 46 30 11 5/16
12.5 14 -- 11.5 47 30.5 11 1/2
13 14.5 -- 12 47.5 31 11 11/16
13.5 15 -- 12.5 48 31.5 11 13/16
14 15.5 -- 13 48.5 32 12
14.5 16 -- 13.5 49 32.5 12 3/16
15 16.5 -- 14 49.5 33 12 5/16
15.5 17 -- 14.5 50 33.5 12 1/2
16 17.5 -- 15 50.5 34 12 11/16
16.5 18 -- 15.5 51 34.5 12 13/16
17 18.5 -- 16 51.5 35 13
17.5 19 -- 16.5 52 35.5 13 3/16
18 19.5 -- 17 52.5 36 13 5/16
18.5 20 -- 17.5 53 36.5 13 1/2
19 20.5 -- 18 53.5 37 13 11/16
19.5 21 -- 18.5 54 37.5 13 13/16
20 21.5 -- 19 54.5 38 14
20.5 22 -- 19.5 55 38.5 14 3/16
21 22.5 -- 20 55.5 39 14 5/16
21.5 23 -- 20.5 56 39.5 14 1/2
22 23.5 -- 21 56.5 40 14 11/16