Sizing Knowledge Hub
Core topics
- EU sizing system — Often tied to Paris-point / length-based scales; differs from US whole and half sizes.
- US shoe sizing scale — Separate progressions for men's, women's, and kids'.
- International shoe size conversion — Always cross-check with brand charts; use our shoe size converter for standardized length mapping.
- Foot length in cm — Measure on a hard floor, end of day, longest foot; then convert to regional labels.
Authority pages & tools
Educational guides (semantic)
Example comparison (men's length anchor)
| EU | US (men's) |
|---|---|
| 40 | 7 |
| 42 | 9 |
| 44 | 10 |
Values are typical chart equivalents; brand fit may differ.
Why sizes may vary
Manufacturing lasts, materials, width (narrow/regular/wide), and regional averages all change how a labeled size feels. Use measurements and brand charts when possible.
Frequently Asked Questions
What is EU 42 in US shoe size?
EU 42 is commonly about US men's 9; women's lines differ. Confirm with gender and brand.
How do I convert US shoe sizes to UK?
Map through foot length in cm or use a dedicated US to UK conversion hub and the converter.