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44AA Bra Size โ€” UK, EU & French Conversion

A US 44AA bra in UK, European and French sizing, with its sister sizes. Not sure 44AA is right? Measure with the bra calculator first.

US 44AA = UK 44AA
EU 100AA ยท French 115AA

A US 44AA bra converts to UK 44AA, EU 100AA and French 115AA. The band number maps on a fixed scale, while cup letters shift between systems above D.

RegionSize
US44AA
UK44AA
EU (Europe)100AA
FR / ES (France, Spain)115AA

Sister sizes for 44AA

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

42ASister 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.

42AA ยท 46AA ยท 44A

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

What is a US 44AA bra in UK and EU sizing?

A US 44AA is a UK 44AA, EU 100AA and French 115AA.

What are the sister sizes of 44AA?

Same cup volume, different band: 42A.

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