Kids’ size chart, US sizes

Size chart, baby clothes

Use the below chart to find US sizes for babies, based on measurements in inches and weight in pounds. American baby sizes are based on age, but since babies may vary in how quickly they grow, it’s better to base the clothing size on the baby’s height and weight.

US Size	Weight, pounds	Height, inches
Newborn	4-8	17-19″
3 months	9-11	19-23″
6 months	12-15	24-26″
9 months	16-18	27-28″
12 months	19-20	29-30″
18 months	21-23	31-32″
24 months	24-28	33-35″

Size chart, 2-7 years (girls and boys)

Use this chart to find US sizes for 2-7 year olds, both boys and girls, based on measurements in inches and weight in pounds. The T stands for Toddler.

US Size	Height, inches	Weight, lbs
2t	33-35	24-28
3t	36-38.5	28.5-32
4t	39-41	33-36
4	42-44	37-41
5	45-47	42-46
6	48-49	47-53
6x (girls) / 7 (boys)	50-51	54-58

Size chart, girls, 7-14 years

Use this chart to find girls’ US sizes, based on measurements in inches.

US Size	S-XL	Height, inches	Chest, inches	Waist, inches	Hips, inches
7	S	51-52	26.5	23	28
8	S	53-54	27.5	23.5	29
10	M	55-57	29	24.5	30.5
12	L	58-59	30.5	25.5	32.5
14	L	60-62	32	26.5	34.5
16	XL	63-64	33.5	27.5	36.5

Size chart, boys, 8-16 years

Use this chart to find boys’ US sizes, based on measurements in inches.

US Size	S-XL	Height, inches	Chest, inches	Waist, inches	Hips, inches
8	S	50-53	27	23.5	27.5
10	M	54-57	28.5	25	29.5
12	M	58-60	30	26	31.5
14	L	61-63	32	27	33.5
16	L	64-65	33.5	28	35.5
18	XL	65-66	35	29	37.5
20	XL	67-68	37	30	39.5

Please note that the charts are only a guide to children’s clothing size, and that the sizes may vary between different brands.