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34AA Bra Size โ€” UK, EU & French Conversion

A US 34AA bra in UK, European and French sizing, with its sister sizes. Not sure 34AA is right? Measure with the bra calculator first.

US 34AA = UK 34AA
EU 75AA ยท French 90AA

A US 34AA bra converts to UK 34AA, EU 75AA and French 90AA. The band number maps on a fixed scale, while cup letters shift between systems above D.

RegionSize
US34AA
UK34AA
EU (Europe)75AA
FR / ES (France, Spain)90AA

Sister sizes for 34AA

Same cup volume, different band โ€” try these if the band feels tight or loose but the cup is right:

32ASister down
โš ๏ธ US cup lettering above D varies by brand (DD vs E, DDD vs F). Match by the EU/UK equivalent when a brand's letters differ.

32AA ยท 36AA ยท 34A

All bra sizes โ†’ ยท Bra calculator โ†’ ยท Converter โ†’

What is a US 34AA bra in UK and EU sizing?

A US 34AA is a UK 34AA, EU 75AA and French 90AA.

What are the sister sizes of 34AA?

Same cup volume, different band: 32A.

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