International Shoe Size Converter
Convert between US, UK, EU, Japanese and Chinese shoe sizes instantly
Input Size
Conversion Results
Note: Sizes may vary between brands and manufacturers. Always check brand-specific sizing charts when possible.
When to Use International Shoe Size Converter
Online Shopping
Converting sizes when buying shoes from international online retailers to ensure perfect fit across different sizing systems.
Travel Planning
Planning shoe purchases during international travel or understanding local sizing when shopping abroad in different countries.
Brand Comparison
Comparing sizes across different shoe brands that use various international sizing standards for consistent fitting.
Foot Measurement
Converting actual foot length measurements to appropriate shoe sizes in different international sizing systems.
Gift Shopping
Buying shoes as gifts when you know the recipient's size in one system but need to purchase from a retailer using different sizing.
Business Applications
Retail businesses, shoe manufacturers, or inventory management systems needing accurate size conversions across markets.
Frequently Asked Questions
How accurate are international shoe size conversions?
International shoe size conversions provide general guidance, but sizes can vary between brands and manufacturers. Always check brand-specific sizing charts when possible and consider trying shoes on before purchasing. Our converter uses standard industry conversion formulas for the most accurate results possible.
What's the difference between men's and women's shoe sizing?
Men's and women's shoe sizes use different conversion formulas. Women's shoes are typically 1.5-2 sizes larger in US sizing compared to men's for the same foot length. Additionally, women's shoes are generally designed with narrower widths and different proportions to accommodate anatomical differences.
Can I convert my foot length measurement to shoe sizes?
Yes, you can convert foot length in centimeters or inches to approximate shoe sizes. Measure your foot from heel to longest toe while standing, then use our converter to find your size in different international systems. Remember to add about 1-1.5cm for comfort and toe room when selecting shoes.
Why do shoe sizes vary between different countries?
Different countries developed their own sizing systems historically. US sizes use a barleycorn-based system, UK sizes have a similar but offset scale, European sizes are based on Paris points (2/3 cm), while Japanese and Chinese sizes often correspond directly to foot length in centimeters. Each system evolved independently based on local manufacturing traditions.
Is this shoe size converter free to use?
Yes, our international shoe size converter is completely free to use. No registration required, and you can convert between all supported sizing systems unlimited times. The tool works entirely in your browser for privacy and convenience.
Which sizing systems does this converter support?
Our converter supports the most commonly used international sizing systems: US, UK, European (EU), Japanese, and Chinese sizes. It also converts to and from actual foot length measurements in both centimeters and inches, making it comprehensive for global shoe shopping.
Should I size up or down when buying shoes online?
When buying shoes online, it's generally safer to size up slightly if you're between sizes, especially for closed-toe shoes. However, this depends on the shoe type, brand, and your foot shape. Check return policies before purchasing and read customer reviews for sizing feedback on specific models.
How do I measure my feet accurately for size conversion?
Stand on a piece of paper and trace your foot outline. Measure the longest distance from heel to toe in both feet (they may differ slightly). Measure in the afternoon when feet are slightly swollen for the most accurate sizing. Use the longer measurement and add 1-1.5cm for comfort when selecting shoes.
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