Baby

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

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

Toddlers
& kids

Use this chart to find US sizes for younger children,
both boys and girls, based on measurements in inches
and weight in pounds. The T stands for Toddler.

Size Height Weight
2t 33-35″ 24-28 lbs
3t 36-38.5″ 28.5-32 lbs
4t 39-41″ 33-36 lbs
4 42-44″ 37-41 lbs
5 45-47″ 42-46 lbs
6 48-49″ 47-53 lbs
7 50-51″ 54-58 lbs

Girls; 7-14 years

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

US S-XL Height Bust Waist Hips
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″

Boys; 8-16 years

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

US S-XL Height Chest Waist Hips
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″