Baby Sizing Guidelines

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

Clothing Guide:

US Size	Mumzworld	Height (in)	Height (cm)	Weight (lb)	Weight (kg)
Newborn Sizes	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	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	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	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	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:

USA	Mumzworld/Europe	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
5.5	37	4