What are the sister sizes of 42DD?

40DDD and 44D — same cup volume, different band.

Is 42DD the same in every brand?

No. A 42DD can fit differently between brands because of pattern, fabric and cup shape. Use it as a starting point and try a sister size when switching brands.

42DD bra size — conversion chart, sister sizes & brands

A 42DD bra (US notation) in every regional standard. The same band-and-cup, labelled eight different ways.

US	UK	EU	FR	IT	AU	JP	IN
42DD	42DD	95E	110E	95E	20DD	95E	42DD

Band conversions are exact; cup fit still varies by brand, style, and body — a conversion is a starting point, not a guarantee.

Sister sizes of 42DD

Sister sizes hold the same cup volume with a different band — the quickest fix when a band feels too tight or too loose.

40DDD 44D

Not sure you're a 42DD? Two measurements, two minutes — free, nothing stored.

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Brands that make DD-cup bras

42DD FAQ

What is 42DD in EU sizing?: 42DD (US) is EU 95E. In UK sizing it is 42DD. Band conversions are exact; cup fit still varies by brand, style, and body — a conversion is a starting point, not a guarantee.
What are the sister sizes of 42DD?: 40DDD and 44D — same cup volume, different band.
Is 42DD the same in every brand?: No. A 42DD can fit differently between brands because of pattern, fabric and cup shape. Use it as a starting point and try a sister size when switching brands.