👙 Bra Size
38AA Bra Size — UK, EU & French Conversion
A US 38AA bra in UK, European and French sizing, with its sister sizes. Not sure 38AA is right? Measure with the bra calculator first.
US 38AA = UK 38AA
EU 85AA · French 100AA
A US 38AA bra converts to UK 38AA, EU 85AA and French 100AA. The band number maps on a fixed scale, while cup letters shift between systems above D.
| Region | Size |
|---|---|
| US | 38AA |
| UK | 38AA |
| EU (Europe) | 85AA |
| FR / ES (France, Spain) | 100AA |
Sister sizes for 38AA
Same cup volume, different band — try these if the band feels tight or loose but the cup is right:
36ASister 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 38AA bra in UK and EU sizing?
A US 38AA is a UK 38AA, EU 85AA and French 100AA.
What are the sister sizes of 38AA?
Same cup volume, different band: 36A.
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