International Children's Clothing Sizing Guide

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If the children's clothing you're shopping for uses a sizing system you aren't familiar with, it can be a challenge to know what will fit. These size conversion charts will give you an easy reference when you're online shopping for newborn clothes, toddler clothes, boys' clothes, and girls' clothes. Check out the Overstock.com Apparel Size Guides to find the right U.S. sizes.



Remember that, even with this clothing size conversion chart, children's clothes from different manufacturers often fit differently. You may find that some brands work better for tall, slim children, while other brands tend to fit short, chubby kids. Once you find a brand that fits your child's build, you may want to keep shoppping for it as they grow.

  1. Babies grow very quickly, and they need a lot of new clothes. The sizes for baby clothes are based on average weights and heights for their ages, but remember that all children develop differently; some children won't wear clothes in sizes that correspond to their ages. The sizes are the same for infant girls' clothing and infant boys' clothing.

  2. Baby clothing sizes may be listed as a range, such as "3 to 6 months." The size will be the same as the larger size in the range. So the size "3 to 6 months" would be the same as the size simply called "6 months."

U.S. Size Child's Length in Inches Weight in Pounds Child's Length in Centimeters Weight in Kilograms
Newborn 17-19 4-8 43-48 2-3.5
3 Months 19-23 9-11 48-58 4-5
6 Months 24-26 12-15 60-66 5.5-7
9 Months 27-28 16-18 67-71 7-8
12 Months 29-30 19-20 73-76 8.5-9
18 Months 31-32 21-23 78-81 9.5-10.5
24 Months 33-35 24-28 83-89 11-12.5
  1. Toddler clothing is meant for children between ages 2 and 6, but as with baby clothing, you'll want to choose clothes based on the weight and height of your child and not just the age given in the size. Toddler sizes are followed by the letter "T." Little girls' clothes and little boys' clothes pick up where toddler sizes end and don't have a letter in the size until they get to 6; 6X in girls is just slightly larger than a 6, but the styles will still be meant for little girls.

U.S. Size Child's Length in Inches Weight in Pounds Child's Length in Centimeters Weight in Kilograms
2T 33-35 24-28 84-89 11-13
3T 36-38 29-32 91-97 13-15
4T 39-41 33-36 99-104 15-17
4 42-44 37-41 107-112 17-19
5 45-47 42-46 114-119 19-21
6 48-49 47-53 122-125 21-24
6X (girls') 50-51 54-58 127-130 24-26
7 (boys') 50-51 54-58 127-130 24-26
  1. Boys' clothes are typically meant for boys between 7 and 16 years old. You'll sometimes see boys' clothing sizes with "slim" or "husky" noted.

U.S. Size Height in Inches Chest in Inches Waist in Inches Hips in Inches Height in Centimeters Chest in Centimeters Waist in Centimeters Hips in Centimeters
8 50-53 27 23.5 27.5 127-135 69 59 70
10 54-57 28.5 25 29.5 137-145 72 63.5 75
12 58-60 30 26 31.5 147-152 76 66 80
14 61-63 32 27 33.5 154-160 81 68 85
16 64-65 33.5 28 35.5 162-165 85 71 90
18 65-66 35 29 37.5 165-168 89 74 95
20 67-68 37 30 39.5 170-173 93 77 100
  1. Girls' clothes are typically made for girls between 7 and 14 years old.

U.S. Size Height in Inches Bust in Inches Waist in Inches Hips in Inches Height in Centimeters Bust in Centimeters Waist in Centimeters Hips in Centimeters
7 51-52 26.5 23 28 129-132 67 58 71
8 53-54 27.5 23.5 29 134-137 70 60 74
10 55-57 29 24.5 30.5 139-145 74 62 77
12 58-59 30.5 25.5 32.5 147-150 77 65 82
14 60-62 32 26.5 34.5 152-157 81 67 87
16 63-64 33.5 27.5 36.5 160-163 85 70 93

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