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