is a guide or chart used to compare and convert shoe sizes across different countries or sizing systems. Since sizing standards vary between regions like the US, UK, Europe (EU), Japan, and others, a conversion chart helps ensure that you choose the correct shoe size when buying shoes internationally or from foreign brands.

Tips:
1. Always check the brand’s size chart.
2. Measure your foot from heel to toe for best accuracy (preferably at the end of the day).
3. When in doubt, size up—it’s easier to fix a shoe that’s a little big than one that’s too small.