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