US Sizes Euro Sizes UK Sizes Inches CM
4 35 2 8.1875in 20.8
4.5 35 2.5 8.375in 21.3
5 35-36 3 8.5in 21.6
5.5 36 3.5 8.75in 22.2
6 36-37 4.5 8.875in 22.5
6.5 37 4.5 9.0625in 23
7 37-38 5 9.25in 23.5
7.5 38 5.5 9.375in 23.8
8 38-39 6 9.5in 24.1
8.5 39 6.5 9.6875in 24.6
9 39-40 7 9.875in 25.1
9.5 40 7.5 10in 25.4
10 40-41 8 10.1875in 25.9
10.5 41 8.5 10.3125in 26.2
11 41-42 9 10.5in 27.1
11.5 42 9.5 10.6875in 27.1
12 42-43 10 10.875in 27.6

US Sizes Euro Sizes UK Sizes Inches CM
3.5 35 2.5 8.625in 21.9
4 36 3 8.75in 22.2
4.5 36 3.5 9in 22.9
5 37 4 9.125in 23.2
5.5 37 4.5 9.25in 23.5
6 38 5 9.5in 24.1
6.5 38 5.5 9.625in 24.4
7 39 6 9.75in 24.8
United States Japan Greece / Germany France United Kingdom Italy Inches*
5 22 35.5 34.5 3 35 8 11/16
22.5 36 35 35.5 8 13/16
6 23 37 35.5 4 36 9
23.5 37.5 36 37 9 3/16
7 24 38 36.5 5 37.5 9 5/16
24.5 38.5 37 38 9 ½
8 25 39 37.5 6 38.5 9 11/16
25.5 39.5 38 39 9 13/16
9 26 40 38.5 7 40 10
26.5 41 39 41 10 3/16
10 27 41.5 39.5 8 42 10 5/16
11 27.5 42 40.5 9 43 10 11/16
12 28 43 41.5 44 11
United States European Inches*
1 21 3 ½
2 22 3 13/16
3 23 4 1/8
4 24 4 ½
5 25 4 13/16
6 26 5 1/8
7 27 5 ½
8 28 5 13/16
9 29 6 1/8
10 29 6 ½