👙 Bra Size
30A Bra Size — UK, EU & French Conversion
A US 30A bra in UK, European and French sizing, with its sister sizes. Not sure 30A is right? Measure with the bra calculator first.
US 30A = UK 30A
EU 65A · French 80A
A US 30A bra converts to UK 30A, EU 65A and French 80A. The band number maps on a fixed scale, while cup letters shift between systems above D.
| Region | Size |
|---|---|
| US | 30A |
| UK | 30A |
| EU (Europe) | 65A |
| FR / ES (France, Spain) | 80A |
Sister sizes for 30A
Same cup volume, different band — try these if the band feels tight or loose but the cup is right:
28BSister down
32AASister up
⚠️ 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 30A bra in UK and EU sizing?
A US 30A is a UK 30A, EU 65A and French 80A.
What are the sister sizes of 30A?
Same cup volume, different band: 28B, 32AA.
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