Answer (1 of 5): I think cup volume is not proportionate from D cup in any band size. Normally cup size is function of band size, which is over ruled from D cup onwards. So to indicate the very fact D, DD and DDD sizes are introduced, where cup volume will be not exactly increased by 1 inch more
What's the difference between a DDD, E, and F bra cup size? - Quora
I tried on a 38D and the cup size fit perfectly but the ban was a little tight. What size should I get? - Quora
16 Sustainable Bras & Bralettes for All Sizes
What is considered a big bra size and what is considered small? - Quora
Is it normal that I have a bra size 32 DD at the age of 11? - Quora
Which is bigger, 38 DDD or 42D? - Quora
17 Best Bras for Teens: Hanes, SKIMS, Aerie, & More
Would an E cup be much bigger than a DD cup? - Quora
Why does the band size fit 34 but the cup size is small DD? - Quora
