What Is a Shoe Size Converter?
A shoe size converter translates shoe sizes between different regional systems such as US, UK, EU, and Japanese (CM). Shoe sizing standards vary widely across countries, making conversion essential when shopping internationally or online from foreign retailers.
How Shoe Sizing Works
Each sizing system uses a different baseline and increment. US and UK sizes use a barleycorn unit (roughly 8.46 mm), while EU sizes use the Paris point (6.67 mm). Japanese sizing measures foot length directly in centimeters. Men's and women's sizes differ: in the US system, women's sizes are typically 1.5 sizes larger than men's for the same foot length.
Tips for Accurate Sizing
- Measure your foot length in centimeters for the most reliable conversions.
- Try shoes on in the afternoon when feet are slightly larger.
- Account for sock thickness and intended use.
Frequently Asked Questions
Why do shoe sizes differ between brands?
There is no universal standard enforced across manufacturers. Each brand may use slightly different lasts (foot-shaped molds), which leads to variation even within the same sizing system. Always check brand-specific size charts when possible.
How do I convert between men's and women's sizes?
In the US system, subtract 1.5 from a women's size to get the equivalent men's size. For example, a women's US 9 equals a men's US 7.5. UK and EU sizes may also differ by gender, though the offset varies.