What are the sister sizes of 42G?

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

Is 42G the same in every brand?

No. A 42G 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.

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

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

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

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 42G

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

40H 44DDD

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

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Brands that make G-cup bras

42G FAQ

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