👙 Bra Size
42AA Bra Size — UK, EU & French Conversion
A US 42AA bra in UK, European and French sizing, with its sister sizes. Not sure 42AA is right? Measure with the bra calculator first.
US 42AA = UK 42AA
EU 95AA · French 110AA
A US 42AA bra converts to UK 42AA, EU 95AA and French 110AA. The band number maps on a fixed scale, while cup letters shift between systems above D.
| Region | Size |
|---|---|
| US | 42AA |
| UK | 42AA |
| EU (Europe) | 95AA |
| FR / ES (France, Spain) | 110AA |
Sister sizes for 42AA
Same cup volume, different band — try these if the band feels tight or loose but the cup is right:
40ASister down
⚠️ 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.
All bra sizes → · Bra calculator → · Converter →
What is a US 42AA bra in UK and EU sizing?
A US 42AA is a UK 42AA, EU 95AA and French 110AA.
What are the sister sizes of 42AA?
Same cup volume, different band: 40A.
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