Data expansion:

Chinese mainland's old code and European code (French code, EU code) are essentially different and cannot be confused or used interchangeably. China and Hongkong have always followed the European size system, taking the European code as the standard unit. Japan and Chinese mainland have the same new shoe size, using the standard Mondo 5 mm decimal system.

The shoe sizes in various places are: English size, American size, Japanese size, etc.

Europe

The shoe sizes of France, Germany and other continental European countries are generally calculated as follows, in centimeters:

Shoe size = 1.5* last length = 1.5* (foot length +2)

However, due to the different characteristics of shoe last, the specific size may be slightly different.

These letters represent abbreviations of some countries, representing the United States, Britain, France and Japan respectively, and representing American codes, British codes, French codes and Japanese codes. Here is mainly to judge the size and size of shoes.