80B, the front 80 represents the lower bust, and b (cup size) represents the difference between the lower bust and the upper bust, wherein the upper bust refers to the part of the RF bust, and the lower bust is the bust below RF; Usually, the difference between the upper and lower bust sizes of B cups is 12.5CM, which can be calculated. How big is bust 80? 80 is the lower bust? The bust should be 9 1.5-93.5cm, which is generally large and belongs to the normal bust of oriental women.

Here is a table. We can find our bra size by checking two data:

How many centimeters is underwear 80B? You can also get a chest circumference of 93cm according to the above table.

The measurement method of chest circumference in the extended data is: bend the body 90 degrees and concentrate the surrounding fat in the center of the chest to keep this state. To prevent fat exposure, bend your thumb 90 degrees, hold the lower part of your chest with your palm straight up, and then use BP (the highest point). That is, take the chest point as the measuring point and measure the fullness of the chest horizontally with a soft tape measure (note that the tape measure here should also be straight and not inclined).

The measurement method of the lower bust is: use a soft tape measure to circle the bottom of the breast horizontally in a relaxed state (note that the tape measure must be straight and not inclined).