Different countries use different bra-size systems. The same body might wear US 34C, UK 34C, EU 75B, AU 12C, JP 75B, and BR 42-2 โ all the same size.
Quick conversion rules
US โ UK: bands match in inches; cups differ past D (US: DD, DDD; UK: E, F, FF). EU: band = US + 12 cm; cups jump straight to E (no DD). AU: band = (US โ 22) รท 2; cups follow UK.
When in doubt, use a calculator
Our converter tool handles all major systems including Indian and Brazilian sizing.