josmo
infants and toddlers

Size Group US & Canada Age Average UK Europe Length In Inches Length in cm
Infant 2 5-7 Months 1 17 3.75 9.5
2.5 5-7 Months 1.5 18 4 10.2
3 7-8 Months 2 18 4.1 10.8
Toddler 3.5 8-9 Months 2.5 19 4.3 10.8
4 9-11 Months 3 19 4.5 10.8
4.5 10-12 Months 3.5 20 4.6 12
5 1 Year Old 4 20 4.8 12
5.5 1.5 Year Old 4.5 21 5 13
6 2 Years Old 5 22 5.1 13

All Sizes in Inches Unless Otherwise Stated