Uniqlo Clothing Size Guide & Conversion
Uniqlo size chart and conversion: clothing sizing for Japan, fit tips, and how to convert Uniqlo sizes to US, UK, and EU. Use the sections below to understand Uniqlo sizing, fit tendencies, and how to convert to your region. For exact conversions, use our generic converters linked at the bottom.
Brand sizing philosophy
Uniqlo uses Japanese sizing with US, EU, and UK equivalents. Focus on consistent basics and technical wear.
Known inconsistencies
JP cm-based sizing is consistent; letter sizes (S/M/L) can differ from Western brands.
Fit tendencies
Often runs slightly small in the shoulders and length; some size up for comfort.
Conversion comparison
Approximate clothing size equivalents (use our converters for exact conversions):
| US | UK | EU |
|---|---|---|
| S | S | 46 |
| M | M | 48 |
| L | L | 50 |
| XL | XL | 52 |
Fit and sizing explained
Fit Problems Explained
Step-by-step guide to measuring foot length in centimeters for accurate shoe size conversion. Avoid common shoe sizing mistakes when converting between regions. Fit tips and conversion best practices.
How to Measure Your Feet in CM · Common Shoe Sizing Mistakes
Why Sizes Vary
Understand how shoe sizing systems work across US, UK, EU, Japan, and CM. Educational guide with conversion references. Avoid common shoe sizing mistakes when converting between regions. Fit tips and conversion best practices.
Brand Differences
Brands use different lasts and fit models. Nike often runs small; Adidas and Puma can differ by style. Always check the brand's size chart before ordering.
Regional Differences
Why European and US shoe sizes use different scales. Regional differences and conversion explained. How Japanese shoe sizing works and how to convert to US, EU, and UK. Japan size chart explained. How UK shoe sizes differ from US and EU. Conversion and regional comparison guide.
Why EU and US Shoe Sizes Differ · How Japanese Shoe Sizes Work · How UK Shoe Sizes Differ From US and EU
Generic converters
Convert any size between regions using our tools:
User fit warnings
Always check the brand's official size chart for the specific product. Sizing can change by season and style. When between sizes, consider sizing up for comfort or ordering two sizes and returning one. Read recent customer reviews for fit notes.