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Practical, plain-English guides to bra fitting: how to measure at home, how US, UK and EU sizing systems compare, and how sister sizes can rescue a tricky fit. Every guide is free, and pairs with our bra size calculator.

How to Measure Your Bra Size Correctly at HomeA complete at-home measuring guide: what to wear, exactly where to place the tape for your underbust and bust, how to turn the two numbers into a size, and the common mistakes that throw measurements off. Bra Size Chart: US, UK and EU Sizes ExplainedFull US, UK and EU bra size charts plus a conversion table, with a clear explanation of where the systems diverge — especially cup letters above DD — and how to shop across borders with confidence. How to Find the Right Bra Size and Understand Sister SizesWhat sister sizes are, the simple band-up/cup-down rule with worked examples in US and UK sizing, when to try one, and how to judge whether a bra truly fits.