Shoe Size Converter
Convert shoe sizes between US, UK, EU, and CM across all major brands. Find your perfect fit with our universal shoe size converter.
Enter size to see conversion results instantly
Convert Any Shoe Size Instantly
Supporting men's, women's, and kids' sizing systems across all major brands
Men's US Size
Most searchedEU, UK, CM
Men's US 9 → EU 42.5, UK 8, CM 27
Convert men's sizes to any brand instantly
Women's US Size
High demandEU, UK, CM
Women's US 8 → EU 39, UK 6, CM 25
Convert women's sizes to any brand instantly
Kids' US Size
Growing segmentEU, UK, CM
Kids' US 3 → EU 35, UK 2.5, CM 22
Convert kids' sizes to any brand instantly
CM Size
Most accurateUS, UK, EU
CM 27 → Men's US 9, Women's US 10, Kids' US 5
Most accurate measurement for any size
Why Our Converter is So Accurate
Built on international standards and validated by experts
Official Brand Charts
Updated monthly with official size charts from 15+ major brands
Cross-referenced with brand websites
High Accuracy Rate
Based on extensive user testing and professional validation
Tested by shoe fitting experts
All Sizes Supported
Men's, women's, and kids' sizes for all major brands
Comprehensive size range coverage
Shoe Size Guide: Your Complete Sizing Resource
Master the art of shoe sizing with our comprehensive guide. From ISO standards to brand differences, learn everything you need to find your perfect fit across all major brands and regions.
Quick Sizing Essentials
ISO Mondopoint Standard
International standard using foot length in millimeters for universal sizing.
Measure in CM
Foot length in centimeters provides the most accurate size reference.
Brand Variations
Each brand has unique sizing - our converter accounts for these differences.
Regional Systems
US, UK, EU, and CM systems all have different numbering conventions.
Between Sizes?
When in doubt, size up for comfort and safety.
Online Shopping
Always check brand size charts and return policies.
Sizing by Shoe Type
Running & Athletic Shoes
Performance shoes require precise fit for optimal comfort and performance.
- • Leave 0.5-1 cm at the front for toe movement during running
- • Snug fit around the midfoot for stability and support
- • Consider your running style and foot type (pronation)
Casual & Lifestyle Shoes
Everyday shoes should provide comfort for extended wear.
- • True to size for most people and brands
- • Comfortable fit with room for natural foot movement
- • Consider the type of socks you'll wear regularly
Dress & Formal Shoes
Formal shoes often have different fit characteristics than casual shoes.
- • May run slightly narrow - consider wide options if needed
- • Leather shoes will stretch slightly over time
- • Try on with dress socks for accurate fit assessment
Boots & Ankle Support
Boots provide additional ankle support and may fit differently.
- • Consider the thickness of socks you'll wear with boots
- • Ankle support should feel secure but not restrictive
- • Some boots may require a break-in period
Sandals & Open Shoes
Open shoes have different fit requirements than closed shoes.
- • Toes should not extend beyond the sole edge
- • Straps should be adjustable for secure fit
- • Consider foot width for proper strap placement
Smart Shopping Tips
Online Shopping
Check brand size charts, read reviews, and verify return policies before purchasing.
Accurate Measurement
Measure feet in the afternoon, wear proper socks, and use the larger foot measurement.
Special Foot Types
Look for wide/narrow options and consider brands known for your specific foot type.
Between Sizes?
Size up for comfort, especially for athletic shoes or if you have wide feet.
Key Takeaway
The most reliable way to find your perfect shoe size is to measure your foot in centimeters and use ISO Mondopoint as your universal reference. Our converter handles all the complex brand variations, so you can shop with confidence across all major brands and regions.