👙 Bra Size
34I Bra Size — UK, EU & French Conversion
A US 34I bra in UK, European and French sizing, with its sister sizes. Not sure 34I is right? Measure with the bra calculator first.
US 34I = UK 34G
EU 75I · French 90I
A US 34I bra converts to UK 34G, EU 75I and French 90I. The band number maps on a fixed scale, while cup letters shift between systems above D.
| Region | Size |
|---|---|
| US | 34I |
| UK | 34G |
| EU (Europe) | 75I |
| FR / ES (France, Spain) | 90I |
Sister sizes for 34I
Same cup volume, different band — try these if the band feels tight or loose but the cup is right:
32JSister down
36HSister 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.
All bra sizes → · Bra calculator → · Converter →
What is a US 34I bra in UK and EU sizing?
A US 34I is a UK 34G, EU 75I and French 90I.
What are the sister sizes of 34I?
Same cup volume, different band: 32J, 36H.
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