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44A Bra Size — UK, EU & French Conversion

A US 44A bra in UK, European and French sizing, with its sister sizes. Not sure 44A is right? Measure with the bra calculator first.

Reviewed by the 247Sizing teamLast updated: 27 August 2026
US 44A = UK 44A
EU 100A · French 115A

A US 44A bra converts to UK 44A, EU 100A and French 115A. The band number maps on a fixed scale, while cup letters shift between systems above D.

RegionSize
US44A
UK44A
EU (Europe)100A
FR / ES (France, Spain)115A

Sister sizes for 44A

Same cup volume, different band — try these if the band feels tight or loose but the cup is right:

42BSister down
46AASister 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.

42A · 46A · 44AA · 44B

All bra sizes → · Bra calculator → · Converter →

What is a US 44A bra in UK and EU sizing?

A US 44A is a UK 44A, EU 100A and French 115A.

What are the sister sizes of 44A?

Same cup volume, different band: 42B, 46AA.

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