Privacy
The calculator runs entirely in your browser. The numbers you enter are never sent to this site or to anyone else.
What you enter
Vial sizes, water volumes, doses and results are worked out by a script on the page itself. They are not transmitted, logged or stored on a server. Closing or reloading the page clears them.
Accounts and personal details
There are no accounts and no sign-up. The site does not ask for your name, email address or any health information.
Server logs
Like every website, this one is delivered by a hosting provider, which receives the technical details needed to send you a page: your IP address, your browser type and the address of the page requested. That data does not include anything typed into the calculator.
Analytics
The site does not currently run analytics or advertising trackers. If analytics are added, the tool used and what it collects will be listed on this page.
Changes
If this policy changes, the new version will be published here with a new date.
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