US Sizing EU Sizing CM INCHES 4 19 13.97 5.5 5 20 14.986 5.9 6 22 15.875 6.25 7 23 16.51 6.5 8 24 17.145 6.75 9 25 17.78 7 10 27 18.542 7.3 11 28 19.05 7.5 12 30 20.32 8 13 31 21.59 8.5 Junior1 32 22.225 8.75 Junior2 33 22.86 9