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Home/Other Calculators/Bra Size Calculator

Bra Size Calculator

Find your bra size

calculators.braSize.bandMeasurement (calculators.braSize.inches)

calculators.braSize.bustMeasurement (calculators.braSize.inches)

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Written by the EachTools Team

Last updated: January 2026

How Bra Size Is Determined

Bra size is calculated from the band size (measured under the bust) and cup size (difference between bust and band measurements).

Steps

Enter your underbust measurement (inches or cm).
Enter your bust measurement.
View your calculated bra size.