Privacy Policy
Last updated: October 21, 2026
What you type into the calculators
All calculations run in your browser. The measurements you enter are not sent to or stored by us.
Information collected automatically
Like most websites, our hosting provider may log basic technical information when you visit, such as your IP address, browser type, the pages you view and the time of your visit. We use this only to keep the site running, secure it and understand which pages are useful.
Fonts
This site loads its fonts from Google Fonts, so your browser connects to Google's servers to download them. Google receives your IP address as part of that request.
Advertising and cookies
We use Google AdSense to show ads, which helps keep the site free. Google and other third-party vendors use cookies to serve ads based on your previous visits to this and other websites.
Google's use of advertising cookies enables it and its partners to serve ads to you based on your visits to this site and/or other sites on the internet. You can opt out of personalized advertising by visiting Google Ads Settings. You can also opt out of some third-party vendors' use of cookies for personalized advertising at aboutads.info.
Read more about how Google uses information from sites that use its services.
Visitors in the European Economic Area, the UK and Switzerland will be asked for consent before personalized ads are shown.
If you email us, we'll use your address only to reply. We won't sell it or add it to a mailing list.
Children
This site is not directed at children under 13, and we do not knowingly collect information from them.
Changes
We may update this policy from time to time. The date at the top shows when it last changed.
Contact
Questions about this policy? Contact us.