Fashion shopping · International size charts

Buying Sneakers from Korea? Six Steps to Read KR mm, US, UK and EU Sizes

A Korean millimeter label does not translate to one universal US shoe number. Nike Korea and New Balance publish category-specific charts. Learn to check the correct men's, women's or unisex chart for your actual model.

6 min read2026-10-30

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01

What you need

Paper, pen and ruler
Your usual socks
The exact product name and maker's chart
Size label from a comfortable pair

02

How to

1. Identify the model and chart category first. Before converting a KR mm label to US, check whether the maker treats the shoe as men's, women's or unisex.
2. Read the maker's definition of foot length. Nike Korea states that the CM number on its box and label is not the same as the actual length of a foot in centimeters. Do not equate the two automatically.
3. Measure both feet separately according to the official directions and start with the longer foot. Another brand may provide different instructions.
4. Check how unisex is defined. Nike Korea has a separate 'unisex, women's-based' footwear chart. US 8 in one chart should not be assumed to match US 8 in a different category.
5. Switch charts when switching brands. New Balance's official size guide compares women's and men's US with foot length, UK and EU. That table is a New Balance reference, not a universal equation for all footwear.
6. Confirm toe room, width, sock thickness and returns before ordering. Try walking in both shoes if possible. For online orders, use the exact model guidance and seller's exchange policy.

One more tip

Nike explicitly warns that its shoebox CM marking is not identical to foot length measured in centimeters. This is a guide to reading labels, not a guarantee of fit or medical advice.

Sources and media

OriginalSeparate women's-based unisex footwear chartNike Korea

OriginalCross-check another manufacturer's US, EU, UK and length guideNew Balance

OriginalOfficial men's size chart for Korean and international shoe labelsNike Korea

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