Women's Shoe Sizes: Size 9 (US) to EU
Size Conversion
Instant Result
Convert Women's Shoe Sizes size 9 from United States (US) to Europe (EU) sizing. Size 9 in US equals size 40 in EU. See all equivalent international sizes.
Convert Women's Shoe Sizes size 9 from United States (US) to Europe (EU) sizing....
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4,930 uses
Beginner
Size Conversion Result
9
US (US)
40
EU (EU)
All International Equivalent Sizes
| Region | Size | Full Name |
|---|---|---|
| US | 9 | US |
| UK | 6.5 | UK |
| EU | 40 | EU |
Popular Conversions for Size 9 (US)
How to Use This Conversion
- Size 9 in US (US) equals size 40 in EU (EU)
- This conversion applies to Women's Shoe Sizes
- See all equivalent sizes in the table above
- Always check brand-specific size charts when possible
Important Notes
- Sizes may vary between brands and manufacturers
- These are general conversion guidelines
- Always try on clothes when possible
- Check return policies for online purchases
Full Size Conversion Charts
9 US = 40 EU — here’s the full picture.
EU to US (Men)
| EU | US |
|---|---|
| 39 | 10.4 |
| 40 | 11.9 |
| 41 | 13.4 |
| 42 | 14.9 |
| 43 | 16.4 |
| 44 | 17.9 |
| 45 | 19.4 |
EU to CM (Mondopoint)
| EU | CM |
|---|---|
| 39 | 26 |
| 40 | 26.7 |
| 41 | 27.3 |
| 42 | 28 |
| 43 | 28.7 |
| 44 | 29.3 |
| 45 | 30 |
How Sizing Systems Work
US Sizing (Brannock)
Based on inches. US 40 ≈ 104.1 cm from heel to toe.
EU Sizing (Paris Point)
Each size = 6.67 mm. EU 9 = 9 × 6.67 mm ≈ 6 cm inner length.
Brand & Width Variations
9 US ≠ Same Fit Everywhere
- Nike/Adidas: run 0.5 size small → try US 40.5
- Clarks: true to size → US 40
- Vans: narrow → consider wide (E/EE)
Width Matters! US: D (standard), E/EE (wide). EU: rarely specified.
Measure Your Foot at Home
- Stand on paper, heel against wall
- Mark longest toe
- Measure in cm → EU = cm × 1.5
- Add 1–1.5 cm for comfort
EU 9? Your foot = 6 cm
Frequently Asked Questions
No — EU 9 = UK 6.5
~2.4 inches (inner). Foot: ~2.2 in.
~US 41.5–42 women’s
Online Shopping Checklist
- Check return policy (free returns?)
- Read reviews for “runs small/large”
- Find brand size chart on product page
- Size up for thick socks or sports
About This Conversion
Convert Women's Shoe Sizes size 9 from United States (US) to Europe (EU) sizing. Size 9 in US equals size 40 in EU. See all equivalent international sizes.
Category:Women's Shoe Sizes
From:9 (US)
To:40 (EU)
Regions Available:3