About Global Size Chart
Global Size Chart is an independently developed size conversion tool built and operated by Albor Digital LLC, a Wyoming-based product studio.
The platform was created to provide accurate, structured international size conversions using centimeter-based measurement logic. Unlike generic size tables, this tool emphasizes measurable standards and cross-system validation.
Global Size Chart is not affiliated with individual brands. All trademarks belong to their respective owners.
For full methodology details, see our Sizing Methodology & Data Standards page.
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.