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