How to calculate the abcd of a cup

The cup sizes behind these numbers are a, b, c and d. The difference in bust refers to your upper bust minus your lower bust. The allowable error is plus or minus1.25cm.

Bras are girls' close-fitting clothes, so you should buy them according to your own size. There are also some girls who don't know how to calculate bra cups, so I'll talk about how to calculate bra cups abcd.

Detail 0 1 The size of the cup is determined by its depth. The cup is equal to = the bust of the highest point of the breast (one of the three measurements) minus the length of the lower bust. Generally speaking, cup size = bust-lower bust.

Take BP point (i.e. bust point) as the measuring point, and measure the fullness of the chest horizontally with a soft tape measure, which is the bust size; Measure the bottom of the chest horizontally with a soft tape measure, that is, the lower bust size.

The cup sizes after those numbers are A, B, C, D. The bust difference refers to the number obtained by subtracting your lower bust from your measured upper bust. The allowable error is plus or minus1.25cm. If your bust difference is 13cm, it is of course a B cup. The difference between lower bust and bust AA :7.5cm, A: 10cm, B: 12.5cm, C: 15cm, D: 17.5cm, E: 20cm, F: 22.5cm. ..

take for example

Your lower bust is 79, that's 80, and your upper bust is 92. Subtract the two numbers to get 13cm, which is the B cup. Put them together. Congratulations, the bra you should wear is 80B. If your upper circumference is 87.5cm, your lower circumference is 75cm, and the difference between upper and lower bust is 12.5cm, then your cup is B, and you should choose the size of 75B.

Although all underwear manufacturers make bras according to this standard, due to some reasons such as material and style, as well as cup types (such as half cup and 3/4 cup, etc. ), some people may wear 80B, but you find that some brands of 75B are also quite suitable. It is recommended to try on bras when buying them, especially those brand-name underwear that cost hundreds of dollars.