28A bra size — conversion chart, sister sizes & brands

A 28A bra (US notation) in every regional standard. The same band-and-cup, labelled eight different ways.

USUKEUFRITAUJPIN
28A28A60A75A60A6A60A28A

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 28A

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

At the edge of the common range.

Not sure you're a 28A? Two measurements, two minutes — free, nothing stored.

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Brands that make A-cup bras

28A FAQ

What is 28A in EU sizing?
28A (US) is EU 60A. In UK sizing it is 28A. 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 28A?
28A sits at the edge of the common range; the nearest same-volume options are one band up or down.
Is 28A the same in every brand?
No. A 28A 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.