When measuring your bust ... inch — make sure you’re wearing a bra during this step. To determine your cup size, you have to subtract your band size from your bust size.

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 ...

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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 ...

Measure the length and subtract your band measurement from it. The difference between the two measurements will give you a rough estimate of your cup size. For example, if your band measurement is 32 ...

Subtract your band size measurement from this second measurement. The difference is your U.S. cup size, with “0” corresponding with an AA cup, “1” is an A, “2” is a B and so on.