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46D Bra Size — UK, EU & French Conversion

A US 46D bra in UK, European and French sizing, with its sister sizes. Not sure 46D is right? Measure with the bra calculator first.

Reviewed by the 247Sizing teamLast updated: 27 August 2026
US 46D = UK 46D
EU 105D · French 120D

A US 46D bra converts to UK 46D, EU 105D and French 120D. The band number maps on a fixed scale, while cup letters shift between systems above D.

RegionSize
US46D
UK46D
EU (Europe)105D
FR / ES (France, Spain)120D

Sister sizes for 46D

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

44DDSister down
48CSister 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.

44D · 48D · 46C · 46DD

All bra sizes → · Bra calculator → · Converter →

What is a US 46D bra in UK and EU sizing?

A US 46D is a UK 46D, EU 105D and French 120D.

What are the sister sizes of 46D?

Same cup volume, different band: 44DD, 48C.

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