Size charts
16 conversion charts across US, EU, UK, JP, KR, CN — clothing, shoes and everything else that comes in a size. Men's, women's and kids', and the kids' charts start at newborn. Free, no sign-up.
Tops & Jackets
Bottoms
Shoes
Other
Guides
Practical guides to clothing and shoe sizes: how to measure your foot, bra, ring and children, why brands disagree, and how to read Japanese, Korean and Chinese labels.
How to measure your foot at home
Measure your foot with a sheet of paper and a ruler, then read the exact US, EU, UK, JP, KR and CN shoe size that length maps to. Adults and kids.
Why your size is different in every brand
There has been no enforced clothing size standard in the US since 1983. Here is what a size label actually means, why it drifts, and how to stop guessing.
What "runs small" really means
Most clothes that "run small" are not small — they are labelled in another country's system. How to spot which system a label is in, and convert it before you order.
Kids' sizes by age and height
Age on a label is a guess; height is the real measurement. The full newborn-to-14 ladder with heights and chests, plus what 2T, 24M and EU 92 have to do with each other.
How to measure your bra size at home
Two measurements give you a band and a cup. Here is how to take them, and what the result is in US, EU, UK, JP, KR and CN sizes.
How to find your ring size at home
Two ways to measure a ring size without a jeweller: a paper strip around the finger, or a ring that already fits. Converts to US, EU, UK, JP, KR and CN.
Japanese, Korean and Chinese sizes explained
What 175/92, Korean 95, and a Japanese 25.5 actually mean — and the conversions to US, EU and UK for clothes and shoes.
Buying clothes as a gift without knowing their size
Size and fit cause about half of all clothing returns. Five ways to find out what someone wears — including one that does not spoil the surprise.
What each system counts
- 🇺🇸 United States US
- Letter sizing for jackets; pants by waist inches; US shoe scale.
- 🇪🇺 Europe EU
- Numbers from chest in cm; pants & shoes on the EU number scale.
- 🇬🇧 United Kingdom UK
- Letters for jackets like US; pants by waist inches; UK shoes ≈ US − 1.
- 🇯🇵 Japan JP
- Chest in cm for tops; shoes by foot length in cm.
- 🇰🇷 Korea KR
- Chest in cm for tops; shoes by foot length in mm.
- 🇨🇳 China CN
- Height/chest in cm (e.g. 180/96); shoes on the EU scale.
MeSize
Stop looking this up. Save your sizes once — yours, your kids’, whoever you buy for — and carry every system in your pocket.