Convert between US, UK, EU, Japanese, Korean, and centimeter shoe sizes instantly
Enter your US shoe size (e.g., men's or women's)
Enter your UK shoe size
Enter your European shoe size
Enter your Japanese shoe size
Enter your Korean shoe size
cm
Enter your foot length in centimeters
US Size—
UK Size—
EU Size—
Japan Size—
Korea Size—
Foot Length—
What does this mean? The converter displays your shoe size across all major international sizing systems. Each result shows the equivalent size in that region's standard measurement, allowing you to shop confidently from any country.
Understanding International Shoe Sizes
Shoe sizing varies significantly across different countries and regions. What is a size 10 in the United States is not the same as a size 10 in the United Kingdom or Europe. This confusion often leads to purchasing errors when buying shoes online from international retailers. Our shoe size converter eliminates this guesswork by providing accurate conversions across six major sizing systems used worldwide.
US Shoe Sizing System
The United States uses a straightforward numerical system for shoe sizes, typically ranging from size 1 to 15 for men and 1 to 13 for women, with half sizes available. The US system measures shoe size based on the length of the foot in inches. Men's shoes are generally sized differently from women's shoes, with men's sizes being approximately 1.5 to 2 sizes larger than women's sizes for the same foot length. When converting from US sizes, it's important to note whether you're working with men's, women's, or children's sizing.
UK and European Shoe Sizing
The United Kingdom uses its own sizing system, which is different from both the US and European systems. UK sizes are typically one to one and a half sizes smaller than US sizes. European sizing, used throughout most of continental Europe, is based on the Paris Point system and represents the length of the shoe in millimeters divided by two-thirds. EU sizes are generally larger than both US and UK sizes numerically, but this doesn't mean the shoes are actually larger—it's simply a different measurement standard. European sizes typically range from 33 to 47 for adults.
Asian Shoe Sizing Standards
Japan and Korea have distinct shoe sizing systems that differ from Western standards. Japanese shoe sizes are often based on foot length measured in centimeters, with sizes typically ranging from 20 to 30. Korean shoe sizes follow a similar centimeter-based system, often labeled with numbers like 250, 260, or 270, representing the foot length in millimeters. These Asian sizing systems are gaining importance as online shopping from Asian retailers becomes increasingly popular. Understanding these conversions is essential for anyone purchasing from Japanese or Korean shoe brands and online platforms.
Foot Length Measurement in Centimeters
The most universal and accurate way to determine shoe size is by measuring your actual foot length in centimeters. Stand on a flat surface and measure from your heel to the tip of your longest toe. This measurement provides a precise reference point that can be converted to any sizing system. Most shoe size conversion charts are based on foot length, making it the foundation for all other conversions. If you're unsure about your size in any system, measuring your foot length is the most reliable approach.
How to Use the Shoe Size Converter
Simply enter your shoe size in any one of the six available fields—US, UK, EU, Japanese, Korean, or centimeter foot length. The converter will automatically calculate and display your equivalent size in all other systems. If you know your foot length in centimeters, enter that for the most accurate results. The tool is designed to handle both men's and women's sizes, though results are typically most accurate when converting between systems for the same gender category. Always verify the sizing chart provided by the specific retailer, as some brands may have their own variations.
Why are shoe sizes different in different countries?
Different countries developed their own sizing systems historically, based on various measurement units and methods. The US system uses inches, the UK has a modified system, Europe uses the Paris Point measurement, and Asian countries often use centimeters. These systems developed independently over time without international standardization.
Is foot length in centimeters the most accurate measurement?
Yes, measuring your actual foot length in centimeters is the most accurate and universal method. It provides a precise reference point that can be reliably converted to any sizing system. For best results, measure your foot while standing, from heel to the tip of your longest toe.
Should I convert men's sizes and women's sizes differently?
While the conversion charts are mathematically the same, men's and women's shoe styles and widths often differ by size number. A men's size 10 and a women's size 11.5 may have the same foot length but different widths and proportions. Always check the specific shoe style you're interested in.
Are Japanese and Korean shoe sizes the same?
While both systems are based on foot length in millimeters or centimeters, they're not identical. Japanese sizes typically use centimeter measurements directly, while Korean sizes may be labeled differently. Always verify with the retailer's specific sizing chart when purchasing from either region.
What if my converted size doesn't match the retailer's chart?
Some brands have their own sizing variations due to different manufacturing standards or style preferences. Always refer to the specific retailer's size chart when making a purchase. If in doubt, contact customer service or check customer reviews to see if the shoes run large or small.