Wrap the tape loosely around the fullest part of your chest. Don’t pull it tight—just ensure it’s level all the way around.
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) how to buy correct bra size
They should stay put without digging in. Remember: the band provides 80% of the support, not the straps. Pro Tip: The "Swoop and Scoop" Wrap the tape loosely around the fullest part of your chest
Numbers are just a starting point; the mirror tells the truth. Look for these signs of a good fit: Each inch of difference represents a cup size:
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
Wrap a measuring tape snugly around your ribcage, directly under your bust. Keep the tape level and parallel to the floor.