Privacy policy

What we collect

This is a static information site. We do not ask for your name, address, phone number or email to read it, and there is no account to create. We set no advertising or analytics cookies at launch. The only browser storage we use holds your theme preference and your cookie choice, both set by you and both readable only by this site.

Our host records standard server logs, including IP address and user agent, for security and abuse prevention. Calculator inputs are held in page memory for your session only and are never transmitted or stored.

When advertising starts

We intend to run display advertising in future. When that happens this page will name each vendor before the code is live, the cookie banner will gate any non-essential storage, and a "Do Not Sell or Share My Personal Information" control will appear in the footer. Nothing of that kind is running today.

Your rights

California residents have rights under the CCPA as amended by the CPRA, including to know what personal information is collected, to delete it, to correct it, and to opt out of its sale or sharing. Residents of the EEA and UK have rights under the GDPR, including access, rectification, erasure, restriction, portability and objection. Because we collect no personal information beyond server logs, most of these requests resolve to "we hold nothing about you" — but ask and we will confirm in writing.

Requests: [email protected]