What is the bra size 40DD? What exactly is this bra size called 40DD? First, it's a combination of a band size and a cup size. "40" refers to the band size and the double D (or DD) refers to the cup size.Read more...
The cup size DD can also be called an E cup size in European brands, so a 40DD in U.S. sizing would be a 40E in Elomi, Anita and Elila bras. This can be confusing for women when trying to find their 40DD cup size in a European brand. I've recognized this problem – thus, HerRoom has made finding your true size simple with our exclusive Universal Cup sizing™ (UCS®). Cup sizes DD and E combined are equal to a UCS® D2 cup size. So, all you need to do is search 40D2 at HerRoom and you'll find all the bras, swimwear, shapewear and more that come in all your sizes.
What are the sister sizes for 40DD? There are several. Every bra size has a set of sister sizes. These are bra sizes where either the band, cup or both are just one size up or down from 40DD. For example, a 40DD or 40E bra size has sister sizes of 38DDD (D3) and 42D. So, these three bra sizes – 38DDD, 40DD and 42D – all represent bras with the same cup size (when you go up a band size, you need to go down a cup size to maintain your cup volume) but different band sizes. A 38DDD has a smaller band than a 40DD and a 42D has a larger band than a 40DD. If a 40DD (D2) and 40E bra size fits you, this generally means your under-breast measurement is 35 to 37inches and your over bust measurement at its fullest point is around 45 inches.
Bra size 40DD is 90E in Europe and Japan, 105E in France, and 18E in Australia.
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