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* Figures based on aggregated, anonymized usage surveys collected between 2023–2024; individual fit results can vary by brand.
Our comprehensive suite of tools helps you find the perfect bra size with professional accuracy and confidence.
Industry-standard algorithms for accurate sizing
Step-by-step instructions with visual guides
Global size conversion and comparison tools
Comprehensive FAQs and professional guidance
Explore our latest style and support playbooks while your calculator result is fresh.
Measurement cadence, supportive construction checklists, and rotation logs tailored to fuller busts.
Read guideCompare stretch levels, layering combos, and troubleshooting tips for wire-free comfort.
Read guideMap calculator results to Nike Alpha & Swoosh sizes with impact presets and downloadable conversions.
Read guideGet your perfect bra size in just three simple steps
Follow our step-by-step measurement guide
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