Size 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 |
