Bra Size Calculator & International Sizing Chart
Comprehensive bra measurement calculator supporting standard 2-point and advanced 6-point ABTF measuring methods. Generates band and cup sizes across UK, US, European, French, and Australian sizing systems with sister size recommendations.
Bra Size Calculator & International Sizing Guide
Accurate bra sizing using modern snug underbust & full bust measurements. Generates UK, US, EU, FR, and AU sizes with sister sizes.
Standard UK sizing (e.g. Panache, Freya, Curvy Kate)
Standard US sizing (e.g. Victoria's Secret, Wacoal, Natori)
European & Japanese metric sizing (e.g. Triumph, Chantelle)
Australia / NZ equivalent: 10D
Sister Sizes (Same Cup Volume)
Sister sizes hold the exact same cup volume but offer a different band tightness. If a bra feels too loose or tight around the ribs, try your sister size:
Fitting Checklist
How to Use Bra Size Calculator & International Sizing Chart
Measure Snug Underbust
Measure snugly around your ribcage directly beneath your breast tissue.
Measure Fullest Bust
Measure around the fullest part of your bust while standing comfortably.
Explore International Sizes
View your UK, US, EU, FR, and AU sizes along with sister size recommendations.
Frequently Asked Questions
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