let's say your cup measurement was 40 inches. The difference in inches equates to its respective letter of the alphabet which determines your cup size. E.g. 40 inches (bust) - 36 inches (band ...
Record the number in inches to the nearest round number. So if you measure a 38.5, you’d record 39. 3. Calculate your cup ...
"What is my cup size?" All you need to do is a little bra math: Subtract your band size from your bust measurement to find your cup size. The difference in inches corresponds to your cup size.
If you measure your band size as 34 inches and your cup size as 37 inches, the difference between the two is 3 inches. This means you have a C cup, and your bra size is 34C. And voilá!