What are the sister sizes of 30H?

28I and 32G — same cup volume, different band.

Is 30H the same in every brand?

No. A 30H 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.

30H bra size — conversion chart, sister sizes & brands

A 30H bra (US notation) in every regional standard. The same band-and-cup, labelled eight different ways.

US	UK	EU	FR	IT	AU	JP	IN
30H	30FF	65H	80H	65H	8FF	65H	30FF

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 30H

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

28I 32G

Not sure you're a 30H? Two measurements, two minutes — free, nothing stored.

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Brands that make H-cup bras

ThirdLove Savage X Fenty Wacoal Panache Freya Chantelle CUUP Hunkemoller Marks & Spencer Cosabella Elomi Empreinte Prima Donna Curvy Kate Berlei Lane Bryant / Cacique Torrid Parfait Boux Avenue Pour Moi

30H FAQ

What is 30H in EU sizing?: 30H (US) is EU 65H. In UK sizing it is 30FF. 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 30H?: 28I and 32G — same cup volume, different band.
Is 30H the same in every brand?: No. A 30H 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.