Children’s size guide, US sizes

With the charts below, you’ll find out your child’s US clothing size, for babies, 2-7 year olds, and 7-14 year olds.


Size guide, baby clothes

Use this chart to find US sizes for babies, based on measurements in inches and weight in pounds.

US SizeWeight, poundsHeight, inches
Newborn4-817-19″
3 months9-1119-23″
6 months12-1524-26″
9 months16-1827-28″
12 months19-2029-30″
18 months21-2331-32″
24 months24-2833-35″

Size guide, 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 SizeHeight, inchesWeight, lbs
2t33-3524-28
3t36-38.528.5-32
4t39-4133-36
442-4437-41
545-4742-46
648-4947-53
6x (girls) / 7 (boys)50-5154-58

Size chart, girls, 7-14 years

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

US SizeS-XLHeight, inchesBust, inchesWaist, inchesHips, inches
7S51-5226.52328
8S53-5427.523.529
10M55-572924.530.5
12L58-5930.525.532.5
14L60-623226.534.5
16XL63-6433.527.536.5

Size chart, boys, 8-16 years

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

US SizeS-XLHeight, inchesChest, inchesWaist, inchesHips, inches
8S50-532723.527.5
10M54-5728.52529.5
12M58-60302631.5
14L61-63322733.5
16L64-6533.52835.5
18XL65-66352937.5
20XL67-68373039.5

American baby sizes are based on the age, but since babies may vary a lot in size, it’s better to base the size on the baby’s weight and height. Use the chart below to find the correct size for your baby.

For toddlers and small kids, use the first size chart which is for both girls and boys. For older children, use the respective chart for girls and boys.

Please note that these charts only is a guide to your child’s clothing size, and that the sizes may vary between different brands.