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