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48K Bra Size — UK, EU & French Conversion

A US 48K bra in UK, European and French sizing, with its sister sizes. Not sure 48K is right? Measure with the bra calculator first.

Reviewed by the 247Sizing teamLast updated: 27 August 2026
US 48K = UK 48H
EU 110K · French 125K

A US 48K bra converts to UK 48H, EU 110K and French 125K. The band number maps on a fixed scale, while cup letters shift between systems above D.

RegionSize
US48K
UK48H
EU (Europe)110K
FR / ES (France, Spain)125K
⚠️ 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.

46K · 48J

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What is a US 48K bra in UK and EU sizing?

A US 48K is a UK 48H, EU 110K and French 125K.

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