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Children's Clothing Size Conversions

Clothing sizes in the United States are different than those found in most other countries. If you are a visitor from another country shopping for clothes in the USA, it might be useful to know the differences in US sizes. This page is designed to be a useful tool in converting local sizes to approximate US sizes. We try to keep the data as accurate as possible, but we cannot guarantee that it is absolutely correct. Sizes of clothing vary between manufacturers and even between different designs by the same manufacturer. You should use these charts for approximation only.

If you want information about shopping in the USA with plenty of shopping tips visit our USATourist.com page: USA Shopping Guide

Newborn Babies and Infant Sizes

Some stores also offer "Preemie" sizes for babies under 4 pounds.

US SizeNewborn3 Months6 Months9 Months12 Months18 Months24 Months
Weight lbs.4 - 89 - 1112 - 1516 - 1819 - 2021 - 2324 - 28
Length ins.17 - 1919 - 2324 - 2627 - 2829 - 3031 - 3233 - 35
Weight kgs.2 - 3.54 - 55.5 - 77 - 88.5 - 99.5 - 10.511 - 12.5
Length cms.43 - 4848 - 5860 - 6668 - 7173 - 7678 - 8183 - 89

Toddlers and Kids Sizes

Typically for children from 2 to 6 years old.

US Size2T3T4T4566X
Weight lbs.24 - 2829 - 3233 - 3637 - 4142 - 4647 - 5354 - 58
Length ins.33 - 3536 - 3839 - 4142 - 4445 - 4748 - 4950 - 51
Weight kgs.11 - 1313 - 1515 - 1717 - 1919- 2121 -24 24 - 26
Length cms.84 - 8991 - 9799 - 104107 - 112114 - 119122 - 125127 - 130

US Standard Girl's Sizes

Typically 7 to 14 years old.

US Size7810121416
Height ins.51 - 5253 - 5455 - 5758 - 5960 - 6263 - 64
Bust ins.26.527.52930.53233.5
Waist ins.2323.524.525.526.527.5
Hips ins.282930.532.534.536.5
Height cms.129 - 132134 - 137139 - 145147 - 150152 - 157160 - 163
Bust cms.677074778185
Waist cms.586062656770
Hips cms.717477828793

US Standard Boys Sizes

Typically 7 to 14 years old. (Sometimes available in slim or husky.)

US Size81012141618
Height ins.50 - 5354 - 5758 - 6061 - 6364 - 6565 - 66
Chest ins.2728.5303233.535
Waist ins.23.52526272829
Hips ins.27.529.531.533.535.537.5
Height cms.127 - 135137 - 145147 - 152154 - 160162 - 165165 - 168
Chest cms.687276818589
Waist cms.5963.566687174
Hips cms.707580859095

Infant and Toddler Shoes

Typically birth to 6 years old.

European161718192022232425272830
UK0.51234567891011
USA123456789101112

Children's Shoes

Typically 6 to 12 years old.

European28303132333436373839
UK10111213123456
USA1112131234567

Girl's Shoes

Typically 12 years old to adult.

European26272828293131323435
UK7.58.59.510111213141.52.5
Japan15151616171819202122
USA910111213141234

Boy's Shoes

Typically 12 years old to adult.

European 3031323334353638
UK111213141.52.534
Japan1718191920212223
USA12131412345

Written by: Mike Leco
Top Photo Credit: © Michelle Leco / USATourist.com
Photo Description: Clothing Display in a Department Store