Contact
Found a sizing error, want a chart we do not cover yet, or building on the API? We would like to hear from you.
Report a correction
Accuracy is the whole point of SizeCharts, so corrections are the most valuable thing you can send. If a conversion looks wrong, tell us the category, the two systems and the values you expected, and include a source if you have one. We verify against published sizing standards and update the affected page.
Suggest a chart
We are expanding the reference over time. If there is a sizing category or a country pair you keep searching for and cannot find here, let us know and it goes on the list.
Developers
Questions about the free JSON API or the embed widget are welcome. Tell us what you are building and what data shape would help.
Send a message
Use the form below for a correction, a chart suggestion, an API question or anything else. This is a small, free project, so replies may take a little time, but corrections are always prioritised.
Last reviewed and updated on July 25, 2026. Contact details are reviewed regularly.