International Bra Size Converter

Convert bra sizes between US, UK, EU, FR, AU, and Japanese sizing systems. Find your equivalent bra size in any country.

How to Convert Bra Sizes

  1. 1 Select your current sizing system (US, UK, EU, etc.)
  2. 2 Enter your band size from the dropdown
  3. 3 Select your cup size
  4. 4 Click Convert Size to see all international equivalents
  5. 5 Check sister sizes for alternative fit options

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Last updated: January 15, 2026 · v2.1