US 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5 13
UK 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12
EU 40 40-41 41 41-42 42 42-43 43 43-44 44 44-45 45 45-46 46
Length CM 26.7 27.13 27.55 27.98 28.4 28.85 29.24 29.67 30.09 30.51 30.94 31.36 31.79
Length IN 10.5 10.6875 10.8125 10.9375 11.125 11.1875 11.5 11.625 11.9375 12 12.125 12.3125 12.5
Width CM 8.51 8.64 8.76 8.88 9 9.13 9.2 9.37 9.49 9.6 9.72 9.84 9.96
Width IN 3.375 3.4375 3.4375 3.5 3.5 3.625 3.625 3.6875 3.75 3.75 3.8125 3.875 3.9375
US UK EU Length CM Length INCHES Width CM  Width INCHES
7 6 40 26.7 10.5 8.51 3.375
7.5 6.5 40-41 27.13 10.6875 8.64 3.4375
8 7 41 27.55 10.8125 8.76 3.4375
8.5 7.5 41-42 27.98 10.9375 8.88 3.5
9 8 42 28.4 11.125 9 3.5
9.5 8.5 42-43 28.82 11.1875 9.13 3.625
10 9 43 29.24 11.5 9.25 3.625
10.5 9.5 43-44 29.67 11.625 9.37 3.6875
11 10 44 30.09 11.9375 9.49 3.75
11.5 10.5 44-45 30.51 12 9.6 3.75
12 11 45 31.94 12.125 9.72 3.8125
12.5 11.5 45-46 31.36 12.3125 9.84 3.875
13 12 46 31.79 12.5 9.96 3.9375