Privacy Policy

Effective: October 14, 2026 (previous version: October 13, 2026)

1. Amounts you enter

All calculations run in your browser. Prices, costs and fees you enter are never sent to or stored on our servers. They are saved only in your own browser (local storage) for convenience and are removed when you clear your browser's site data.

2. Visit statistics

We use Google Analytics to understand how the site is used. It collects information such as pages visited, visit time, approximate location and device or browser type. We do not collect your name, email or other directly identifying information. See Google's Privacy Policy. You can block cookies in your browser or install the Google Analytics Opt-out Add-on.

3. Advertising and cookies

This site may show third-party ads, such as Google AdSense.

• Third-party vendors, including Google, use cookies to serve ads based on your prior visits to this site or other websites.
• Google's use of advertising cookies enables it and its partners to serve ads based on your visits to this site and/or other sites on the Internet. Learn more in How Google uses information in advertising.
• You can opt out of personalized advertising in Google Ad Settings. You can opt out of other vendors' personalized ads at www.aboutads.info or, in Europe, www.youronlinechoices.eu.
• You can block or delete cookies in your browser settings. The calculator works normally with cookies blocked.

When ads are shown, visitors in regions that require consent, such as the European Economic Area and the United Kingdom, are asked for consent before advertising cookies are used.

4. Information you send us

If you email us, we use your email address and message only to reply to you. We do not use them for anything else or share them with third parties. Contact us below to ask for deletion.

5. Changes to this policy

If we change this policy, we will post the updated policy and its effective date on this page.

6. Contact

Privacy questions: [email protected]