Measuring Your Bra Size Step 1: Measure your underbust. Hold the tape measure firm and straight around your body. Step 2: Next, measure over the fullest part of your breasts, across the nipples and around the back. hold the tape measure loosely and straight across the body. Subtract the band size (step 1) from the bust measurement (step 2). This number is yourthe letter of your cup size.

Bra Sizes
Panty Sizes Dress 32-38 A Small 32-34 Small 0-2 32-38 B Medium 34-36 Medium 4-6 32-38 C Large 36-38 Large 8-10 32-38 D xLarge 38-40 xLarge 10-12 Small 32-34
Medium 34-36
Large 36-38
xLarge 38-40