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