Privacy Policy

Last updated 2026-09-18.

What you enter

Calculator inputs are processed in your browser. They are not sent to our server. When you use "Copy link", your inputs are placed in the page address so you can share the result.

Analytics and advertising

We may use privacy-respecting analytics to count visits. If we show ads, our advertising partners may use cookies to serve and measure ads. Where the law requires it, you will be asked for consent first. You can block or delete cookies in your browser settings.

Affiliate links

Some pages may link to products we think are useful. If you buy through those links we may earn a commission at no extra cost to you.

Contact

Questions: hello@herdmath.com.