What are the sister sizes of 42D?

40DD and 44C — same cup volume, different band.

Is 42D the same in every brand?

No. A 42D 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.

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

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

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

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 42D

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

40DD 44C

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

Check my size →

Brands that make D-cup bras

42D FAQ

What is 42D in EU sizing?: 42D (US) is EU 95D. In UK sizing it is 42D. 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 42D?: 40DD and 44C — same cup volume, different band.
Is 42D the same in every brand?: No. A 42D 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.