Bra-lliant Size-o-Meter

The most comprehensive bra size calculator for all international sizing standards. Get your perfect fit in just a few measurements!

Enter Your Measurements

60 cm 80 cm 120 cm
70 cm 90 cm 150 cm

Your Perfect Fit

75B

In international sizing (EU standard)

UK Size
34B
US Size
34B
FR Size
90B
AU Size
12B

International Bra Size Guide

EU UK/US France Australia Japan
65 30 80 8 65
70 32 85 10 70
75 34 90 12 75
80 36 95 14 80
85 38 100 16 85

How to Measure

  1. Measure under your bust (snug but not tight)
  2. Measure around the fullest part of your bust
  3. Enter both measurements above
  4. Select your preferred standard

Important Notes

  • Different brands may vary slightly in sizing
  • Measure without a bra for most accuracy
  • Bra sizes can change with weight fluctuations
  • Re-measure every 6-12 months