How to correctly measure your foot to get your size right?

 

CM EU size UK Women Size UK Men Size
23.3 36 5
24 37 6
24.7 38 7
25.3 39 8 6
26 40 9 7
26.7 41 10 8
27.3 42 eleven 9
28 43 12 10
28.7 44 eleven
29.3 Four. Five 12
30 46 13