Letter to JP clothing size
The short answer
By the formula, Letter M is JP 11 to 13.
UK and AU are the US number plus 4; FR is DE plus 2, and IT is FR plus 4. A tag that only says EU is usually the FR or the DE number.
| Letter | JP |
|---|---|
| XXS | 1 |
| XS | 3 to 5 |
| S | 7 to 9 |
| M | 11 to 13 |
| L | 15 to 17 |
| XL | 19 to 21 |
| XXL | 23 to 25 |