👙 Bra Size
44B Bra Size — UK, EU & French Conversion
A US 44B bra in UK, European and French sizing, with its sister sizes. Not sure 44B is right? Measure with the bra calculator first.
US 44B = UK 44B
EU 100B · French 115B
A US 44B bra converts to UK 44B, EU 100B and French 115B. The band number maps on a fixed scale, while cup letters shift between systems above D.
| Region | Size |
|---|---|
| US | 44B |
| UK | 44B |
| EU (Europe) | 100B |
| FR / ES (France, Spain) | 115B |
Sister sizes for 44B
Same cup volume, different band — try these if the band feels tight or loose but the cup is right:
42CSister down
46ASister 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 44B bra in UK and EU sizing?
A US 44B is a UK 44B, EU 100B and French 115B.
What are the sister sizes of 44B?
Same cup volume, different band: 42C, 46A.
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