Permitted use of the bra size calculator
You may use the site for personal calculation and reference. Do not interfere with the service, automate abusive traffic, misrepresent the site as an official ABTF service or use its output to make guarantees to another person.
No guarantee of bra fit or product suitability
Results depend on measurement accuracy and generalized sizing relationships. We do not warrant that a size will fit, that conversions match every brand or that the site will always be available or error-free.
Independent project and external links
The site is not affiliated with r/ABraThatFits or abrathatfits.org. External resources are provided for context; their content and availability remain under their respective owners.
Last updated: August 26, 2026.