Kids’ size chart, US sizes

In the charts below, you’ll find out children’s US clothing sizes for babies, 2-7 year olds, and 7-14 year olds.

Find international kids’ sizes here.


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.