Understand sizes instantly with real-world comparisons
The most comprehensive size conversion tool on the internet
Our algorithms ensure the most accurate size conversions available online
Instant conversions without any loading time or delays
Support for international sizing standards and multiple languages
Our shoe size conversions are based on official sizing charts from major footwear manufacturers and are accurate to within 0.5 sizes. However, we always recommend trying on shoes when possible as different brands may have slight variations.
Yes! SizeSnap is completely free to use with no hidden fees, subscriptions, or premium features. All conversion tools are available to everyone at no cost.
Personal and educational use is completely free. For commercial applications, please contact us to discuss licensing options.