Fashion Sizes

To determine how to size a ring, some countries specify sizes directly from either circumference or diameter while other countries use numerical scales that correlate with these parameters using simple mathematical relations.

Compute ring size equivalents:

Convert ring size to a specified system:

Shoe sizes have different systems used in different countries and, in some cases, different systems in the same country. Results are available for European shoe sizes as well as shoe sizes for the US, the UK and many other countries.

Compute shoe size equivalents:

Convert shoe size to a specified system: