How do I convert US size to EU size?

Use our converter tool above. For shoes, EU sizes are typically 1-1.5 sizes larger than US. For clothing, EU uses numeric sizes (32-52 for women, 42-56+ for men).

What is US size 9 in EU?

US men's size 9 typically converts to EU size 42. Use our converter for precise conversions based on gender and category.

US to EU Size Converter

Quick answer:

Convert US sizes to EU sizes for shoes and clothing. Free US to European Union size conversion tool with accurate charts.

Convert US sizes to European Union (EU) sizes for shoes and clothing. Get accurate conversions with our free size converter tool.

Converted Sizes

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US to EU Size Conversion Guide

Converting between US and EU sizes can be confusing because the systems use different scales. Here's what you need to know:

US to EU Shoe Sizes

EU shoe sizes are typically 1-1.5 sizes larger than US sizes. For example:

US Men's 9 = EU 42
US Women's 7 = EU 38
US Men's 10 = EU 43
US Women's 8 = EU 39

US to EU Clothing Sizes

EU clothing uses numeric sizing that differs from US letter sizes:

Women's: US XS/S/M/L/XL converts to EU 34/36/38/40/42
Men's: US S/M/L/XL converts to EU S/M/L/XL (but measurements differ)
Pants: US waist sizes (28, 30, 32) convert to EU sizes (42, 44, 46)

Important: These are approximate conversions. Always check brand-specific size charts when available, as sizing can vary significantly between manufacturers.

Related Converters

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 US to EU Size Converter - Convert US to European Sizes

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.