It was generally considered to be the norm some women bigger and some women smaller. The same volume of breast tissue spread across different size rib cages band sizes. Therefore it seems like all bras would have the same fit. The grey cells in the table below demonstrate how the sizes diagonally adjacent from the top right to the bottom left are the same in breast volume ie. If you were to go back a couple of decades the average bra size for a woman in america would have been 34b. Basic bra size chart.
If youre planning to buy a bra in us. Bra sizes that are the same in volume are often referred to as sister sizes. This doesnt mean that the average breast size in america was a b cup. So why is my bra size so inconsistent. So why does a 34 band in one brand seem so much smaller than another brand. Its reported that more than half of american women are wearing the wrong size bra.
This is the single most important tool for bra fitters. While other womens clothing sizes seem subjective what is a size 12 anyway bra sizing is based on specific measurements and proportions. Size then it is best to record your measurements in inches. Bra size measurements are calculated based on your band size number and cup size letter which are typically determined by using a tape measure around your rib cage and bust. If youd rather skip the dressing room thirdlove offers an online fit finder quiz that matches you with your bra size and recommended style based on your unique breast shape. If youve ever wondered what the number and letter of your bra size really mean youre not alone.
Its a sizing method that has been in use for years and has gone through several changes. You need to use a measuring tape to get accurate measurements of your bust and your underbust.