International Shoe Size Conversion Chart
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International shoe size conversion chart: convert US, UK, EU, Japan, China & CM. Free interactive tool + printable table.
See also: CM to US converter · Shoe size converter · Measurement standards
Shoe sizes vary across countries. A US size 9 is not the same as a European 42 or a UK 8. This international shoe size conversion chart helps you convert between US, UK, EU, Japan, China, and centimeter (CM) measurements. US and UK use different numeric scales; EU sizes are based on foot length in cm; Japanese sizes often follow cm. Converting correctly reduces returns and improves fit when you buy from international brands or travel. Use the tool below for instant conversions, or scroll for reference tables and gender-specific charts.
Interactive Shoe Size Converter
Converted Sizes
Popular conversions
International Shoe Size Conversion Chart
Reference table (men's scale). Use the converter above for women's and kids' or for exact equivalents.
| US | UK | EU | JP | CM |
|---|---|---|---|---|
| 6 | 5 | 39 | 25 | 24 |
| 6.5 | 5.5 | 39.5 | 25.5 | 24.5 |
| 7 | 6 | 40 | 26 | 25 |
| 7.5 | 6.5 | 40.5 | 26.5 | 25.5 |
| 8 | 7 | 41 | 27 | 26 |
| 8.5 | 7.5 | 41.5 | 27.5 | 26.5 |
| 9 | 8 | 42 | 28 | 27 |
| 9.5 | 8.5 | 42.5 | 28.5 | 27.5 |
| 10 | 9 | 43 | 29 | 28 |
| 10.5 | 9.5 | 43.5 | 29.5 | 28.5 |
| 11 | 10 | 44 | 30 | 29 |
Men's, Women's & Kids' Shoe Size Charts
How to Measure Your Foot in CM
Measuring your foot in centimeters gives you a universal size that works with any regional chart. Stand on a sheet of paper with your heel against a wall. Mark the tip of your longest toe, then measure from the wall to the mark in cm. Repeat for both feet and use the larger measurement. Use the converter above with “Centimeters (CM)” as the source region to get your size in US, UK, EU, or JP. For a printable guide and more tips, see Measurement Tools and How to Measure Your Feet in CM.
Regional & Conversion Pages
Browse by region or explore all conversion pages.
Common questions
How should I use this converter?
Pick your region and size, then read the equivalents. When in doubt, measure in centimeters and compare to the brand chart.
Why do sizes differ between countries?
Each region uses its own scale; mapping through foot length (cm) reduces error.
More on Shoe Size Conversion Chart — US, UK, EU, JP, CM
See linked guides on this site for measurement tips and regional differences.
Data sources
- ISO and regional footwear sizing references (length-based mapping)
- Published brand size charts (e.g. Nike, Adidas) for cross-checks—not endorsements
- International measurement and apparel sizing studies (public summaries)
Why Sizes May Vary
Shoe and clothing sizes can vary between brands due to manufacturing differences, materials, and regional sizing standards.
Frequently Asked Questions
What is EU 42 in US shoe size?
EU 42 typically converts to US men's size 9 and US women's size 10.5, depending on brand and width. Use any converter on this page when available.
Are EU and US shoe sizes the same?
No. The EU sizing system and US shoe sizing scale use different scales. International shoe size conversion is most reliable when you anchor to foot length in cm.
See also
Shoe Size Converter · Knowledge hub · Guides · Measurement standards