Size Chart - Baby

 Size  Age

Height

(Inches)

Height 

(CM)

Weight

(Pounds)

Weight

(kg)

  NB       Newborn              up to 21.5            up to 55             5-8     2.2-3.6                 
3M 0-3 Months 21.5 - 24 55-61 8-12.5 3.6-5.7
6M 3-6 Months 24 - 26.5 61-67 12.5-16.5 5.7-7.4
9M 6-9 Months 26.5 - 28.5 67-72 16.5-20.5 7.4-9.2
12M 9-12 Months 28.5 - 30.5 72-78 20.5- 24.5 9.2-11.1
18M 12-18 Months 30.5 - 32.5 78-83 24.5-27.5 11.1-12.4
24M 18-24 Months 32.5 - 34 83-88 27.5-30 12.4-13.6