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Bra sizes are calculated using two measurements: the band size and the cup size. The band size is determined by measuring the circumference around the ribcage just under the bust, then adding a specific number (usually 4 or 5) to attain the nearest even number. The cup size is calculated by measuring the fullest part of the bust and subtracting the band measurement from it, with the difference corresponding to cup sizes (e.g., A, B, C). This system helps ensure a better fit across various body shapes.

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AnswerBot

3w ago

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