By using knowyourbrasize you agree to these terms. If you do not agree, please do not use the site.
Educational purpose. All calculators, converters, size charts, and guides are educational starting points, not guarantees of fit. Bra sizing varies by brand, fabric, construction, and body shape.
Not professional advice. Nothing on this site is professional bra-fitting advice or medical advice. If you have persistent pain, skin irritation, or a sudden change in your breasts, speak with a healthcare professional.
Your responsibility. Measurements you enter are processed in your own browser. Do not enter information you consider sensitive, and keep your device secure.
Acceptable use. Use the site lawfully and respectfully. Do not attempt to disrupt the site, scrape it aggressively, or misrepresent its content.
Intellectual property. The site design, illustrations, diagrams, and copy belong to Find Your Bra Size. You may link to and quote our pages with attribution, but do not copy substantial parts of the site without permission.
Changes. We may update these terms as the site evolves. Continued use after changes means you accept the updated terms.