E-COMMERCE TOOL
International Size Converter
Shoe and clothing size conversion between US, UK, EU, Japan, China. For men, women, and kids.
Shoe and clothing size conversion between US, UK, EU, Japan, China. For men, women, and kids.
📌 Sizes are approximate and vary by brand. Always check the brand specific size chart when ordering online. Shoe sizes based on Brannock / Mondopoint standards.
Size conversion is one of the biggest pain points in international online shopping. Different countries use different sizing systems - US, UK, EU, Japan, China - and converting between them can be confusing. This size converter helps you find your correct size across different international standards, reducing returns and improving shopping experience.
Online shopping from international websites. E-commerce sellers creating size charts for global customers. Buying gifts for friends in other countries. Travelers shopping abroad.
Select the product category (shoes, clothing, etc.) and gender. Enter your size in any standard (e.g., US size 9 for shoes). The converter instantly shows equivalent sizes in all other standards. For the most accurate result, measure your foot length or body measurements and use those as reference.
Sizing systems developed independently in different countries based on local populations and traditions. The US uses one system, UK another, EU metric-based, and Japan/China use centimeter measurements. There's no universal standard, which is why conversion tools are necessary.
For shoes: measure your foot length in millimeters and use that as the base. For clothing: measure your chest, waist, and hip circumference and compare to the brand's size chart. Measurements are always more accurate than size labels.
Each brand has its own fit model and sizing standards. A medium in one brand might be a large in another. Always check the specific brand's size chart rather than assuming your usual size will fit. This is especially true for fast fashion vs premium brands.
Generally, size up for shoes (your feet swell during the day) and for clothing you plan to layer. For fitted items, check the return policy first. When shopping internationally, remember that sizes from different countries may run larger or smaller than what you're used to.