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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
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