This page explains what this site collects and what it does not. The short answer: the names and dates you enter into the calculators stay in your browser and are not sent to our servers. There are no accounts, no profiles, and currently no cookies, analytics, or advertising tools. You can contact us by email about anything on this page.
We do not collect the names and dates you enter. Those entries stay in your browser, and the calculators do not send them to our servers. They are not added to the page address, either, so a result cannot be shared as a URL.
There are no accounts here, and no profile is built about you.
This site currently uses no cookies, no analytics, and no advertising tools. That is the whole picture for tracking on this site as it stands today.