👙 Bra Size
42C Bra Size — UK, EU & French Conversion
A US 42C bra in UK, European and French sizing, with its sister sizes. Not sure 42C is right? Measure with the bra calculator first.
US 42C = UK 42C
EU 95C · French 110C
A US 42C bra converts to UK 42C, EU 95C and French 110C. The band number maps on a fixed scale, while cup letters shift between systems above D.
| Region | Size |
|---|---|
| US | 42C |
| UK | 42C |
| EU (Europe) | 95C |
| FR / ES (France, Spain) | 110C |
Sister sizes for 42C
Same cup volume, different band — try these if the band feels tight or loose but the cup is right:
40DSister down
44BSister 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 42C bra in UK and EU sizing?
A US 42C is a UK 42C, EU 95C and French 110C.
What are the sister sizes of 42C?
Same cup volume, different band: 40D, 44B.
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