What are the sister sizes of 36DD?

34DDD and 38D — same cup volume, different band.

Is 36DD the same in every brand?

No. A 36DD 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.

36DD bra size — conversion chart, sister sizes & brands

A 36DD bra (US notation) in every regional standard. The same band-and-cup, labelled eight different ways.

US	UK	EU	FR	IT	AU	JP	IN
36DD	36DD	80E	95E	80E	14DD	80E	36DD

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 36DD

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

34DDD 38D

Not sure you're a 36DD? Two measurements, two minutes — free, nothing stored.

Check my size →

Brands that make DD-cup bras

36DD FAQ

What is 36DD in EU sizing?: 36DD (US) is EU 80E. In UK sizing it is 36DD. 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 36DD?: 34DDD and 38D — same cup volume, different band.
Is 36DD the same in every brand?: No. A 36DD 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.