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28DD Bra Size — UK, EU & French Conversion

A US 28DD bra in UK, European and French sizing, with its sister sizes. Not sure 28DD is right? Measure with the bra calculator first.

Reviewed by the 247Sizing teamLast updated: 27 August 2026
US 28DD = UK 28DD
EU 60E · French 75E

A US 28DD bra converts to UK 28DD, EU 60E and French 75E. The band number maps on a fixed scale, while cup letters shift between systems above D.

RegionSize
US28DD
UK28DD
EU (Europe)60E
FR / ES (France, Spain)75E

Sister sizes for 28DD

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

30DSister 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.

30DD · 28D · 28DDD

All bra sizes → · Bra calculator → · Converter →

What is a US 28DD bra in UK and EU sizing?

A US 28DD is a UK 28DD, EU 60E and French 75E.

What are the sister sizes of 28DD?

Same cup volume, different band: 30D.

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