Your breasts should fill the cups without "quad-boobing" (spilling over the top) or gaping (extra space at the top).
If the number is even, add 0. If it’s odd, add 1. (Example: 31" becomes a 32 band). 2. Measure Your Cup Size how to buy correct bra size
Subtract your calculated band size from this bust measurement . Each inch of difference represents a cup size: 1 inch = A 2 inches = B 3 inches = C 4 inches = D (and so on) 3. The "Fit Check" (The Most Important Part) Your breasts should fill the cups without "quad-boobing"
