Japanese Clothing Size Chart — Japanese S/M/L and "go" sizes against US, EU and UK, for men, women and kids
Convert Japanese clothing sizes (S/M/L, LL, women's 号 sizes, kids' height sizes) to US, EU and UK sizes and back, with chest, waist, hip and height measurements in centimeters. For shopping at Uniqlo, department stores and Japanese online shops.
Switch between men's, women's and kids' to see which Japanese size matches the one you wear at home.
Clothing Size Chart: tips and things to know
- Japanese sizes run small. A Japanese L is usually close to a US or UK M, and many foreign shoppers go up one or two sizes.
- Women's formal wear in Japan uses odd "go" numbers (7号, 9号, 11号). 9号 is the standard M.
- Children's clothes are sized by height in centimeters: size 110 fits a child around 110 cm tall.
- When in doubt, measure chest, waist and hips and match the centimeter columns rather than the letter.
How to use the Clothing Size Chart
Choose a category
Pick men's, women's or kids'.
Select a size
Choose your size from the dropdown or click a row in the table. Any system works as the starting point.
Read the matches
The equivalent Japanese, US, EU and UK sizes appear, with body measurements in centimeters for checking against a tag.
Check the measurements
Compare the chest, waist, hip or height figures with your own to confirm the fit.
Why your usual size may not fit in Japan
Japanese clothing is cut for the Japanese body, so each letter size is smaller and slimmer than the same letter in the US or Europe. Sleeves and inseams are shorter too. Going up one size is the usual advice for most foreign shoppers; broad-shouldered or tall people often need two.
Global brands sold in Japan, including Uniqlo and GU, usually use Japanese sizing in their Japanese stores, so the same M can fit differently from the M you bought at home. Check the centimeter chart on the tag rather than the letter.
Reading Japanese size labels
Casual wear uses S, M, L, LL and 3L. "LL" is Japan's XL, and sizes above it are written 3L, 4L and so on.
Women's suits, dresses and formal wear use "go" (号) numbers: 7号 is roughly S, 9号 is M, 11号 is L and 13号 is XL. Men's suits use chest-based numbers such as A5 or AB6, where the letter is the drop and the number is height, and the tag will also give the chest in centimeters.
Tags list body measurements under JIS standards, such as 胸囲 (chest), ウエスト (waist), ヒップ (hips) and 身長 (height), all in centimeters.
Children's sizes go by height
Japanese children's clothes are sized by the child's height in centimeters in steps of 10: 80, 90, 100, 110 and up to 160. Size 100 suits a child of about 95 to 105 cm, typically age 3 to 4. Because it is a height, not an age, it is easy to pick the right one: measure the child and round up if they are growing fast.
Finding larger sizes
Sizes above L are less common on the rack in Japan. Uniqlo stocks up to 3XL or 4XL online, and department stores have dedicated "large size" (大きいサイズ) floors or corners. Online shops such as Amazon Japan and Rakuten are the easiest place to find extended sizes, and the size chart there is usually in centimeters.
Clothing Size Chart FAQ
What is a Japanese M in US sizes?
For men, a Japanese M is close to a US S or a slim-fitting US M. For women, a Japanese M (9号) is about a US 6. Most foreign shoppers buy one size larger in Japan than at home.
What do the "go" numbers on women's clothes mean?
They are JIS-based Japanese sizes used mainly for formal wear. 7号 is about S, 9号 about M, 11号 about L and 13号 about XL.
How do I choose children's clothes in Japan?
By height. Size 110 is for a child about 110 cm tall. If your child is between sizes or growing quickly, take the larger one.
What does LL mean on a Japanese tag?
LL is the Japanese equivalent of XL. The next sizes up are written 3L, 4L and so on.