Sizing Guidelines

Just have a look at the below to make sure you know which size is right for your little one: 

Clothing Guide Newborn–16Y

US Size
MamaApp
Height (in)
Height (cm)
Weight (lb)
Weight (kg)
Newborn Sizes
Preemie
Preemie
< 19
< 48
< 6
< 6
Newborn (0-3) Months
Newborn 0-3 Months
19 - 23
48 - 58
6 - 11
3 - 5
3-6 Months
3-6 Months
24 - 26
61 - 66
12 - 15
5 - 7
Infant Sizes
6-9 mo
6-9 Months
27 - 28
69 - 71
16 - 18
7 - 8
9-12 mo
9-12 Months
29 - 31
74 - 80
19 - 20
9 - 9
12-18 mo
12-18 Months
31 - 34
80 - 86
21 - 23
10 - 10
18-24 mo
18-24 Months
34 - 36
86 - 92
24 - 28
11 - 13
Toddlers 2-4 Years old
2T
2-3 Year
36 - 39
92 - 98
26 - 29
12 - 13
3T
3-4 Year
39 - 41
98 - 104
30 - 34
14 - 15
4T
4-5 Year
41 - 43
104 - 110
34 - 37
15 - 17
Juniors 5-7
5
5-6 Year
43 - 46
110 - 116
37 - 41
17 - 19
6
6-7 Year
46 - 48
116 - 122
42 - 55
19 - 25
Growing Up
7
7-8 Year
48 - 50
122 - 128
60
27
8
8-9 Year
50 - 53
128 - 134
66
30
9
9-10 Year
53 - 55
134 - 140
70
32
10
10-11 Year
55 - 57
140 - 146
74
34
11
11-12 Year
57 - 60
146 - 152
79
36
12
12-13 Year
60 - 62
152 - 158
84
38
13
13-14 Year
62 - 65
158 - 164
90
41
14
14-15 Year
96
44
15
15-16 Year
98
45
16
16+ Year
100
45

Shoe Guide Kids' Sizes

USA
MamaApp
UK
Kids' Sizes
0
16
0
1.5
17
1
2.5
18
2
3.5
19
3
4.5
20
4
5.5
21
5
6
22
5.5
6.5
23
6
7.5
24
7
8
25
7.5
8.5
26
8
9.5
27
9
10.5
28
10
11.5
29
11
12.5
30
12
13
31
12.5
13.5
32
13
Adult Sizes
1.5
33
1
2.5
34
2
3
35
2.5
4.5
35.5
3

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