👙 Bra Size
48B Bra Size — UK, EU & French Conversion
A US 48B bra in UK, European and French sizing, with its sister sizes. Not sure 48B is right? Measure with the bra calculator first.
US 48B = UK 48B
EU 110B · French 125B
A US 48B bra converts to UK 48B, EU 110B and French 125B. The band number maps on a fixed scale, while cup letters shift between systems above D.
| Region | Size |
|---|---|
| US | 48B |
| UK | 48B |
| EU (Europe) | 110B |
| FR / ES (France, Spain) | 125B |
Sister sizes for 48B
Same cup volume, different band — try these if the band feels tight or loose but the cup is right:
46CSister down
⚠️ 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 48B bra in UK and EU sizing?
A US 48B is a UK 48B, EU 110B and French 125B.
What are the sister sizes of 48B?
Same cup volume, different band: 46C.
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