Bra Size Converter
Select your band size and cup size in any standard to see the equivalent in US, UK, EU, FR/BE, AU/NZ, and IT systems.
100% client-side · no upload
Equivalent sizes
US
UK
EU
FR / BE
AU / NZ
IT
How to use
- Select the sizing system you know your size in (e.g. US, UK, or EU).
- Choose your band size and cup size from the dropdowns.
- The equivalent sizes in all other systems are shown instantly.
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常见问题
- Is this bra size converter free?
- Yes, completely free with no signup and no usage limits.
- Does my data leave my device?
- No. All conversions run in JavaScript inside your browser. Nothing is sent to any server.
- Does it work on mobile?
- Yes. The tool is mobile-first and works on iPhone Safari and Android Chrome.