Last updated: February 15, 2026
We do not collect or store any personal information on our servers. All calculator data (weight, gender, drinks) is stored locally in your browser using localStorage and is never transmitted to us. You can clear this data at any time by resetting the calculator or clearing your browser storage.
We use a small number of cookies to operate this site. These include a cookie to remember your acceptance of the legal disclaimer and cookies set by our third-party analytics and advertising partners described below.
We use Google AdSense to display advertisements. Google AdSense uses cookies, including the DoubleClick cookie, to serve ads based on your visits to this site and other sites on the internet. You may opt out of personalized advertising by visiting Google Ad Settings. You can also opt out of third-party cookies for advertising by visiting aboutads.info.
We use Google Analytics and PostHog to understand how visitors use this site. These services collect anonymous usage data such as pages visited, time on site, and referring URLs. This information helps us improve the site. Google Analytics uses cookies to collect this data. You can learn more about how Google uses your data at Google's partner policy page.
We are a participant in the Amazon Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by linking to Amazon.com. Amazon may use cookies to track referrals.
We may update this privacy policy from time to time. Any changes will be reflected on this page with an updated revision date.