Calculate your cup size: Take your band measurement that you calculated in step 1 and subtract it from your bust measurement. Use that number to determine cup size: 1=A, 2=B, 3=C, ...

Cup size Measure loosely around the biggest part of your chest, keeping the measuring tape level with the ground. Got that number? Now subtract your band measurement from your cup measurement.

Your bra size is made up of your band size and your cup size. According to British lingerie brand Katherine Hamilton , the band size refers to the size of your rib cage and is represented by ...

Bare Necessities, up to a 58 band and a K cup size. Bare Necessities Bralettes have become a women’s necessity now, no matter if you are petite or plus-sized.