Sizing Chart

US Sizes

Euro Sizes

Inches

CM

Average Age of Child

Use

0

15

3.125"

7.9

newborn to 6 months

infant/baby

1

16

3.5"

8.9

newborn to 6 months

infant/baby

1.5

17

3.625"

9.2

newborn to 6 months

infant/baby

2

17

3.75"

9.5

newborn to 6 months

infant/baby

2.5

18

4"

10.2

6 to 12 months

infant/baby

3

18

4.125"

10.5

6 to 12 months

infant/baby

3.5

19

4.25"

10.8

6 to 12 months

infant/baby

4

19

4.5"

11.4

6 to 12 months

infant/baby

4.5

20

4.625"

11.7

12 to 18 months

baby/toddler

5

20

4.75"

12.1

12 to 18 months

baby/toddler

5.5

21

5"

12.7

12 to 18 months

baby/toddler

6

22

5.125"

13

12 to 18 months

baby/toddler

6.5

22

5.25"

13.3

12 to 18 months

baby/toddler

7

23

5.5"

14

18 to 24 months

baby/toddler

7.5

23

5.625"

14.3

18 to 24 months

baby/toddler

8

24

5.75"

14.6

18 to 24 months

baby/toddler

8.5

25

6"

15.2

24 months plus

toddler/little kid

9

25

6.125"

15.6

24 months plus

toddler/little kid

9.5

26

6.25"

15.9

24 months plus

toddler/little kid

10

27

6.5"

16.5

24 months plus

big kids