US size
EU size
The length of shoes inside (cm)
6.5
22
14.7
7
23
15.3
7.5
24
15.9
8
25
16.5
9
26
17.1
10
27
17.7
11
28
18.3
11.5
29
18.9
12.5
30
19.5
13.5
31
20.1
1