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34G Bra Size — UK, EU & French Conversion

A US 34G bra in UK, European and French sizing, with its sister sizes. Not sure 34G is right? Measure with the bra calculator first.

Reviewed by the 247Sizing teamLast updated: 27 August 2026
US 34G = UK 34F
EU 75G · French 90G

A US 34G bra converts to UK 34F, EU 75G and French 90G. The band number maps on a fixed scale, while cup letters shift between systems above D.

RegionSize
US34G
UK34F
EU (Europe)75G
FR / ES (France, Spain)90G

Sister sizes for 34G

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

32HSister down
36DDDSister 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.

32G · 36G · 34DDD · 34H

All bra sizes → · Bra calculator → · Converter →

What is a US 34G bra in UK and EU sizing?

A US 34G is a UK 34F, EU 75G and French 90G.

What are the sister sizes of 34G?

Same cup volume, different band: 32H, 36DDD.

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