Last updated: October 9, 2026
What we collect
We do not ask for your name, email address or any account. The numbers you enter into the calculator are processed in your browser and are not sent to us or stored.
Hosting and logs
The site is delivered by a web hosting provider. Like most hosts, it may keep standard server logs such as your IP address, browser type and the pages you open.
Fonts
The site loads its typefaces from Google Fonts. Google receives your IP address when the fonts are requested.
Offline use
To work without an internet connection, the site saves a copy of its own files in your browser. You can remove them at any time by clearing the site's data in your browser settings.
Advertising and cookies
If this site shows ads, third-party vendors, including Google, may use cookies to serve ads based on your earlier visits to this and other websites. You can opt out of personalized advertising in Google's Ads Settings at adssettings.google.com.
Changes
If this policy changes, the new version will be posted on this page with a new date.