Last updated September 28, 2026.
What you enter in the calculators
All calculations run in your browser. The numbers you type into a calculator are not sent to our servers or stored by us.
Information collected automatically
Like most websites, our hosting provider may keep standard server logs, such as IP address, browser type and pages requested, for security and performance. If we add analytics or advertising in future, we will update this policy and, where required, ask for your consent.
Fonts
Our pages load fonts from Google Fonts. Your browser connects to Google’s servers to download them, which shares your IP address with Google. See Google’s privacy policy for details.
Cookies
The site does not set its own cookies at present.
Children
This site is not directed at children under 13, and we do not knowingly collect their information.
Contact
Questions about privacy can be sent through our contact page.