Privacy Policy

Last updated 2026-10-15.

Calculations run entirely in your browser; the numbers you enter are not sent to our servers.

Our hosting provider may log standard technical data (IP address, browser, pages requested) for security and performance. We may use privacy-friendly analytics.

Advertising: this site may show ads from third parties such as Google. Third-party vendors, including Google, may use cookies to serve ads based on your prior visits to this and other websites. You can opt out of personalized advertising at Google Ads Settings or aboutads.info. Where required (e.g. Quebec Law 25, EU/UK), we will ask for consent.

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Contact: [contact email to be added].