The size of the lower bust is converted into the size of women's underwear. When buying a bra, the size may show 34/75, or it may only show 34 or 75. 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.

Extended data:

A cup, B cup, C cup ... refers to the size of the cup, corresponding to the size of the breast. And 1/2 cups, 3/4 cups, full cups, etc. Modeling design of reference cups. Choosing different cup designs has a far-reaching impact on shaping and maintaining the chest shape, and also has different effects on matching different clothes.

Choose different bra cup shapes;

1/2 Cup Bra The shoulder straps of this bra can usually be taken off to become strapless underwear, which can be matched with strapless clothing.

3/4 cup bra has strong concentration and good gathering effect, which effectively highlights the breast curve.

Full-cup bra completely wraps the chest to prevent sagging and expansion of the chest, which is suitable for any chest type.

Baidu encyclopedia-bra size comparison table

Baidu encyclopedia-cup