👙 Bra Size
42DDD Bra Size — UK, EU & French Conversion
A US 42DDD bra in UK, European and French sizing, with its sister sizes. Not sure 42DDD is right? Measure with the bra calculator first.
US 42DDD = UK 42E
EU 95F · French 110F
A US 42DDD bra converts to UK 42E, EU 95F and French 110F. The band number maps on a fixed scale, while cup letters shift between systems above D.
| Region | Size |
|---|---|
| US | 42DDD |
| UK | 42E |
| EU (Europe) | 95F |
| FR / ES (France, Spain) | 110F |
Sister sizes for 42DDD
Same cup volume, different band — try these if the band feels tight or loose but the cup is right:
40GSister down
44DDSister 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 42DDD bra in UK and EU sizing?
A US 42DDD is a UK 42E, EU 95F and French 110F.
What are the sister sizes of 42DDD?
Same cup volume, different band: 40G, 44DD.
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