The size of a cup depends on its depth. The bust at the highest point of the breast (one of the three measured values) is subtracted from the length of the breast chamber, and 7.5cm is the A cup, 10cm is the A cup, and 12.5cm is the B cup. After that, for every 2.5cm increase, one more size is added. The size between the two cups is solved by a long enough back buckle.

Bra size comparison table, also known as bra size comparison table, is a bra size and bust comparison table made according to international standards. ? [1] The length of a circle horizontally around the bottom of the breast is your bust size, in cm.

When you buy a bra, you often choose a approximate number that is similar to your bra size according to your lower bust. For example, if your lower bust is between 68 cm and 72 cm, please choose size 70.