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

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

USUKEUFRITAUJPIN
36J36GG80J95J80J14GG80J36GG

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 36J

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

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

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Brands that make J-cup bras

36J FAQ

What is 36J in EU sizing?
36J (US) is EU 80J. In UK sizing it is 36GG. 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 36J?
38I — same cup volume, different band.
Is 36J the same in every brand?
No. A 36J 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.