The conversion formula of old and new shoe sizes is: new shoe size = (old shoe size+10)/2. (New shoe size needs to be converted into units)
The size of the foot is expressed in millimeters, which is called "new shoe size", and the size is the expression of the old shoe size.
Extended Information 1998 The national standard GB/T3294- 1998 issued by the government of China is called "new shoe size" based on the Mondo scoring system. The shoe size in centimeters used to be called "old shoe size" from now on.
2 1 century shoes in Chinese mainland market are required to be marked with new shoe sizes.
The conversion formula of old and new shoe sizes is: new shoe size = (old shoe size+10)/2. (New shoe size needs to be converted into units)
Example:
If the old shoes are size 40,
Then the size of the new shoes =(40+ 10)/2.
=50/2
= 25 cm
= 250 mm
The size of the new shoes is size 250.
References:
Baidu encyclopedia-shoe size