you are a B cup.
Example: bust is 38" and high bust is 36" you would wear a
We were always taught to measure the bustline which means
you would purchase a 38 bra and go from there for the cup
fit. This means you would be wearing a bra that would be
to loose around the bra band area.
b. If your bust is 2" to 3" larger than your high bust measurement,
you are a C cup.
c. If you bust is 3" to 4" larger than your high bust measurement,
you are a D cup.
~ Information from Simplicity 4302