👙 Bra Size
38DDD Bra Size — UK, EU & French Conversion
A US 38DDD bra in UK, European and French sizing, with its sister sizes. Not sure 38DDD is right? Measure with the bra calculator first.
US 38DDD = UK 38E
EU 85F · French 100F
A US 38DDD bra converts to UK 38E, EU 85F and French 100F. The band number maps on a fixed scale, while cup letters shift between systems above D.
| Region | Size |
|---|---|
| US | 38DDD |
| UK | 38E |
| EU (Europe) | 85F |
| FR / ES (France, Spain) | 100F |
Sister sizes for 38DDD
Same cup volume, different band — try these if the band feels tight or loose but the cup is right:
36GSister down
40DDSister 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 38DDD bra in UK and EU sizing?
A US 38DDD is a UK 38E, EU 85F and French 100F.
What are the sister sizes of 38DDD?
Same cup volume, different band: 36G, 40DD.
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