👙 Bra Size
30C Bra Size — UK, EU & French Conversion
A US 30C bra in UK, European and French sizing, with its sister sizes. Not sure 30C is right? Measure with the bra calculator first.
US 30C = UK 30C
EU 65C · French 80C
A US 30C bra converts to UK 30C, EU 65C and French 80C. The band number maps on a fixed scale, while cup letters shift between systems above D.
| Region | Size |
|---|---|
| US | 30C |
| UK | 30C |
| EU (Europe) | 65C |
| FR / ES (France, Spain) | 80C |
Sister sizes for 30C
Same cup volume, different band — try these if the band feels tight or loose but the cup is right:
28DSister down
32BSister 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 30C bra in UK and EU sizing?
A US 30C is a UK 30C, EU 65C and French 80C.
What are the sister sizes of 30C?
Same cup volume, different band: 28D, 32B.
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