For example, if your bust measures 37 inches, and your band size is 34, the difference will be 3. On the chart below, you'll see a 3 is equal to a C cup, meaning your bra size is 34C. No measuring ...

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 ...