Privacy Policy

This website is designed to work without requiring you to create an account. Calculator inputs are processed in your browser.

What we collect

We do not require accounts. Calculator inputs stay in your browser. We may collect basic, aggregated usage data (such as page views) to understand demand and improve the site.

Cookies

We use cookies only when needed for preferences (such as language, unit system, and cookie choices). You can manage preferences at any time.

Advertising and cookies

If we display ads (for example, via Google AdSense), ads may use cookies or similar identifiers. Where required by law, we will ask for consent before serving personalized ads.

Your choices

You can adjust consent via the cookie preferences button, disable cookies in your browser, and opt out of personalized ads where available.

Contact

If you have privacy questions, contact us at shifang522221@gmail.com.