Last updated: April 2, 2026
MayoCalc ("we," "us," or "our") operates the website mayocalc.com (the "Site"). This Privacy Policy explains how we collect, use, and protect information when you visit our Site.
Information you provide: All calculator inputs (numbers, selections) are processed entirely in your browser. We do not collect, store, or transmit any data you enter into our calculators. No accounts, registrations, or personal information are required to use MayoCalc.
Automatically collected information: Like most websites, our web server and analytics tools may automatically collect standard log information including your IP address, browser type, operating system, referring URL, pages visited, and timestamps. This data is used in aggregate to understand site traffic and improve our service.
We may use cookies and similar tracking technologies for analytics purposes and to serve advertisements. Third-party advertising partners (such as Google AdSense) may use cookies to serve ads based on your prior visits to our Site or other websites. You can opt out of personalized advertising by visiting Google's Ad Settings (adssettings.google.com) or the Network Advertising Initiative opt-out page (optout.networkadvertising.org).
We may display third-party advertisements on our Site. These advertisers may use cookies, web beacons, and similar technologies to collect information about your visits to this and other websites in order to provide relevant advertisements. We do not control these third-party technologies and their use is governed by the privacy policies of the respective advertisers and ad networks.
Certain calculators on our Site provide health-related or financial information for educational purposes only. This information is not medical advice, financial advice, tax advice, legal advice, professional diagnosis, or treatment. No professional-client relationship of any kind is created by your use of this Site. Always consult a qualified professional for decisions related to health, finance, or legal matters. We are not responsible for actions taken based on information provided by our calculators. For complete details, see our Disclaimer and Terms of Service.
Since calculator inputs are processed entirely in your browser and never transmitted to our servers, there is no risk of your calculator data being compromised. We use HTTPS encryption for all connections to our Site.
Our Site is not directed at children under 13. We do not knowingly collect personal information from children under 13.
We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated revision date.
If you have questions about this Privacy Policy, please contact us at [email protected].