Question: what is the difference between ddd and f cup?
Answer: AA(Double A) is the smallest cup size, then it goes up to A, B, C, and then D. After D you can either go up to DD(Double D) or its equivalent E, DDD(Triple D) is the next cup size which turns to be the equivalent of F. Once you hit F/DDD you continue to go up letters like what was done before.