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Petit Bateau Baby Size Guide
Size Height Chest
cm ft cm in
Newborn
50
1ft 8"
3413.5
1 month
54
1ft 9.5"
3714.5
3 months
60
1ft 11.5"
4016
6months
67
2ft 2.5"
4417.5
12 months
74
2ft 5"
4618
18 months
81
2ft 8"
4819
24 months
86
2ft 10"
5220.5
36 months
94
3ft 1"
5421.5
Baby Size Conversion Chart
Size Brand Size
Newborn
N50
1 month
1M
3 months
3M
6 months
6M
12 months
12M
18 months
18M
24 months
24M
36 months
36M