Last updated: October 24, 2026
Empirical Rule Calculators (“we”, “our”, “us”) operates the website https://empiricalrulecalculators.com/ (the “Site”). This Privacy Policy explains what information we collect, how we use it, and your rights regarding that information.
Information We Collect
Our calculators run entirely in your browser. The values you enter into any calculator on this Site are processed on your own device and are not sent to or stored by us.
Like most websites, our hosting and analytics systems automatically record standard log information when you visit the Site, such as your IP address, browser type, device information, the pages you visit, and the date and time of your visit.
If you contact us through our contact form or by email, we collect the information you provide, such as your name, email address, and the contents of your message, only to respond to your enquiry.
Cookies
We use cookies and similar technologies to operate the Site, understand how visitors use it, and serve advertising. You can control or delete cookies through your browser settings at any time.
Google Analytics: We use Google Analytics to understand aggregate usage of the Site (for example, which pages are popular). Google Analytics collects information such as how often users visit, what pages they view, and what other sites they used prior to coming to this Site. We use this information in aggregate form only.
Google AdSense and Advertising Cookies: We use Google AdSense to display ads on this Site. Google and its third-party vendor partners use cookies (including the DoubleClick cookie) to serve ads based on your prior visits to this Site and/or other sites on the Internet.
You may opt out of personalised advertising by visiting Google Ads Settings (https://www.google.com/settings/ads) or by visiting https://www.aboutads.info/choices/. For more information on how Google uses data from sites that use its services, see https://policies.google.com/technologies/partner-sites.
How We Use Information
We use the information we collect to: operate, maintain, and improve the Site and its calculators; analyse usage so we can improve content and user experience; display advertising that helps keep the Site free; respond to enquiries; and protect the security of the Site.
Third-Party Links and Embedded Content
Pages on this Site may include embedded content or links to other websites. We are not responsible for the privacy practices of those websites, and we encourage you to review their privacy policies.
Data Retention and Your Rights
We retain enquiry messages and log/analytics data only for as long as reasonably necessary for the purposes described above. Depending on your location (including under the GDPR and CCPA), you may have the right to request access to, correction of, or deletion of your personal information, and to object to or restrict certain processing. To exercise any of these rights, contact us through our Contact Us page.
Children’s Privacy
This Site is not directed to children under the age of 13, and we do not knowingly collect personal information from children under 13.
Changes to This Policy
We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated revision date.
Contact Us
If you have any questions about this Privacy Policy, please contact us through the Contact Us page on this Site.