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