Bra Size Calculator

Calculate bra size.

Snug underbust (cm)

Full bust (cm)

Bra labels vary by country, brand, and measuring method. These are starting-size references only; cup volume changes with band size (sister sizing). Fit a different band/cup if there is pain, digging, or gaping.

Measurement difference: 15.0 cm

EU/KR

75C

30DDD/F

30E

ℹ️ Bra Size Calculator

Calculate bra size.

Verify results with an authoritative source before using them for important medical, legal, or financial decisions.