French to US bra size converter
French bands run 15 above EU bands, and this tool turns them straight into US sizes.
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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.
How to use it
- Enter french band and french cup.
- The result appears straight away and updates as you edit.
- Copy the result, or copy a link that keeps the same values to share it.
How it is calculated
Band: US and UK 32 = EU 70 = FR 85 = IT 1 = AU 10, and each step adds 2 in (US, UK), 5 cm (EU, FR), 1 (IT) or 2 (AU). Cup: letters are matched by position. UK: AA A B C D DD E F FF G, US: AA A B C D DD DDD G H I, EU, FR and IT: AA A B C D E F G H I.
Example
Inputs: French band = 90, French cup = C. Result: US size: 34C; UK size: 34C; EU size: 75C.
Limits and caveats
- Follows the usual retail chart; some brands differ by one cup size.
- Some US brands label DDD as F, and Australian cup letters past F are not consistent, so they are not shown.
Questions about this tool
How do French and EU sizes differ?
The cup letters are the same, but the French band is 15 higher, so EU 75 is French 90.
Do Spain and Belgium use French sizes?
Many brands in Belgium and Spain print bands the French way, so check the label.
What is French 85B in US sizes?
It is a US 32B.