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38H Bra Size — UK, EU & French Conversion

A US 38H bra in UK, European and French sizing, with its sister sizes. Not sure 38H is right? Measure with the bra calculator first.

Reviewed by the 247Sizing teamLast updated: 27 August 2026
US 38H = UK 38FF
EU 85H · French 100H

A US 38H bra converts to UK 38FF, EU 85H and French 100H. The band number maps on a fixed scale, while cup letters shift between systems above D.

RegionSize
US38H
UK38FF
EU (Europe)85H
FR / ES (France, Spain)100H

Sister sizes for 38H

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

36ISister down
40GSister 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.

36H · 40H · 38G · 38I

All bra sizes → · Bra calculator → · Converter →

What is a US 38H bra in UK and EU sizing?

A US 38H is a UK 38FF, EU 85H and French 100H.

What are the sister sizes of 38H?

Same cup volume, different band: 36I, 40G.

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