Shoe Size Converter
Enter a shoe size and system (US/EU/UK/MX/CM) to convert into all five representations (approximate).
Input Data
Results
At a glance:Bridge via foot length (cm): US/MX → cm = (size+1.5)×2.54; UK → cm = (size+1+1.5)×2.54; EU → cm = size÷1.5; CM → cm = size. Then US = cm÷2.54−1.5, UK = US−1, MX = US, EU = cm×1.5.
Formula
footCm = convert source size to foot length cm.
us = footCm÷2.54 − 1.5; eu = footCm×1.5; uk = us − 1; mx = us; cm = footCm.
How to Use
- Enter the shoe size and select the source system.
- Get US/EU/UK/MX/CM results instantly.
FAQ
Is this accurate?
Shoe sizing differs by brand, gender and shoe type; these are linear approximations. Check the brand's own size chart when buying.
Why use foot length as the bridge?
Foot length (cm) is a physical measure that maps most objectively across national sizing systems.
Related Tools
References
Content reviewed by the Calculatorism editorial team. Results are for reference only; please refer to the relevant authorities for the official figures.