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How to Calculate Your Bra Size
Formula
Round your ribcage measurement to the nearest even number for band size. The bust-band difference determines cup size.
Each inch of difference is one cup size: 1 inch = A, 2 inches = B, 3 inches = C, and so on.
Common use cases:
- Find your correct bra size at home
- Determine cup size from measurements
- Shop for bras online with confidence
Frequently Asked Questions
Emily Taylor
Certified Public Accountant, CPA, MBA
Emily is a Certified Public Accountant with an MBA in Finance. She has over 10 years of experience in tax planning, business accounting, and personal finance advisory. She develops practical financial tools for everyday money management.
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