US SIZE |
AGE |
EURO Size |
METRIC size |
4 toddler |
12 months |
20 |
13.0 cm |
5 toddler |
12-18 months |
21 |
14.0 cm |
6 toddler |
18-24 months |
22 |
14.5 cm |
7 toddler |
2-2½ years |
23 |
15.0 cm |
8 child |
2½-3 years |
24 |
15.5 cm |
8.5 child |
3½-4 years |
25 |
16.3 cm |
9 child |
4 years |
26 |
17.0 cm |
10 child |
4½ years |
27 |
18.0 cm |
11 child |
5 years |
28 |
18.5 cm |
12 child |
5½ years |
29 |
19.0 cm |
12.5 child |
6 years |
30 |
19.5 cm |
13 child |
6½ years |
31 |
20.0 cm |
1 child |
7 years |
32 |
21.0 cm |
2 child |
7½ years |
33 |
21.5 cm |
3 child |
8 years |
34 |
22.0 cm |
4 child |
|
35 |
23.0 cm |
5 young adult |
|
36 |
24.0 cm |
5 young lady |
|
36 |
24.0 cm |
6 young adult |
|
37 |
24.5 cm |
6 young lady |
|
37 |
24.5 cm |
7 young adult |
|
38 |
25.5 cm |
7 young lady |
|
38 |
25.5 cm |
8 young adult |
|
39 |
26.0 cm |
8 young lady |
|
39 |
26.0 cm |
6 young man |
|
39 |
26.0 cm |
9 young adult |
|
40 |
26.5 cm |
9 young lady |
|
40 |
26.5 cm |
7 young man |
|
40 |
26.5 cm |
10 young adult |
|
41 |
|
8 young man |
|
41 |
|
11 young adult |
|
42 |
|
9 young man |
|
42 |