Bra Size Calculator
Unit ConversionConverts underbust and bust circumference measurements into a bra band size and cup letter.
Band Size
The band size, rounded to the nearest even number of inches.
Cup Size
C
The cup letter, based on the difference between bust and underbust measurements (each full inch of difference is one cup size).
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Unit Conversion calculators
Calculator Stats
Creators
Odeh Ahwal0people find this calculator helpful
Views
Helpful
Saved
Embeds
Unit Conversion calculators
Frequently Asked Questions
How is cup size determined?
Cup size is based on the difference between your bust and underbust measurements: roughly no difference is AA, 1 inch is A, 2 inches is B, 3 inches is C, and so on, one cup letter per additional inch.
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