USA

European

UK size

Heel to toe (cm)

Heel to toe (inch)

6

36

3.5

23.5

9.25

6.5

37

4

23.8

9.37

7

37.5

4.5

24.1

9.49

7.5

38

5

24.5

9.65

8

38.5

5.5

24.8

9.76

8.5

39

6

25.1

9.88

9

40

6.5

25.4

10.00

9.5

41

7

25.7

10.12

10

42

7.5

26

10.24