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36I Bra Size — UK, EU & French Conversion

A US 36I bra in UK, European and French sizing, with its sister sizes. Not sure 36I is right? Measure with the bra calculator first.

Reviewed by the 247Sizing teamLast updated: 27 August 2026
US 36I = UK 36G
EU 80I · French 95I

A US 36I bra converts to UK 36G, EU 80I and French 95I. The band number maps on a fixed scale, while cup letters shift between systems above D.

RegionSize
US36I
UK36G
EU (Europe)80I
FR / ES (France, Spain)95I

Sister sizes for 36I

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

34JSister down
38HSister 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.

34I · 38I · 36H · 36J

All bra sizes → · Bra calculator → · Converter →

What is a US 36I bra in UK and EU sizing?

A US 36I is a UK 36G, EU 80I and French 95I.

What are the sister sizes of 36I?

Same cup volume, different band: 34J, 38H.

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