This tells you how much bigger your breasts are than your rib cage (not simply the size of your breasts) and is represented by letters (A, B, C, etc.). To find your bra size, you’ll need to ...

Conversely, if you want to go down a band size (e.g. 32 to a 30), go up a cup size (AA cup to a A cup). Most bra fitters recommend sizing one up or one down, any more than that and the proportions ...