1 inch = 2.54 cm
1.Asian sizes are 1 to 2 sizes smaller than European and American people,There is 2-3% difference according to manual measurement.
2 If you feel difficult to choose the size ,you can feel free to contact mewe will give you some suggestion,but it is for you reference only.
As we all know ,the different computers display colors differently.
the color of the actual item may vary slightly from the following images.