US to French women's dress size converter
Shows the French size that matches a US women's dress, top or blouse size, using the common retail conversion chart.
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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 us size (us).
- 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
FR size = US size + 34. Chart used: UK = AU = US + 4, EU = US + 32, FR = US + 34, IT = US + 38, JP = US + 5.
Example
Inputs: US size (US) = US 4. Result: French size (FR): 38; Letter size: S.
Limits and caveats
- Based on the common retail conversion chart, not a binding official standard. Chart used: UK = AU = US + 4, EU = US + 32, FR = US + 34, IT = US + 38, JP = US + 5.
- Brands differ and can be a full size apart, so check the brand chart before you order.
- Covers US sizes 0 to 22 only, not petite or maternity sizing.
Questions about this tool
What is a US 4 in French sizes?
It is a French 38 on the common chart, which is a letter size S.
How do US and French sizes differ?
On this chart the French number is 34 higher than the US number at every step. French sizes are used in France, Spain, Belgium and Portugal, and run 2 above EU.
Does the result hold for every brand?
No. This is a general reference chart and a brand can run a full size off it. Compare your bust, waist and hip measurements with the brand chart before buying.