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