Privacy policy

Last updated 2026-10-21.

What we collect

The calculators run entirely in your browser. The numbers you enter are not sent to our servers or stored by us.

Like most websites, our hosting provider keeps standard server logs (IP address, browser type, pages visited, time of visit) for security and to count traffic.

Advertising and cookies

This site uses Google AdSense to show ads. Third-party vendors, including Google, use cookies to serve ads based on your prior visits to this and other websites. Google's use of advertising cookies enables it and its partners to serve ads based on your visits to this site and/or other sites on the Internet.

You can opt out of personalized advertising in Google Ads Settings, or opt out of many third-party vendors' cookies at aboutads.info. Learn more about how Google uses information from sites that use its services.

Visitors in the EEA, UK and Switzerland are shown a consent message before personalized ads load.

Children

This site is not directed to children under 13 and does not knowingly collect their information.

Contact

Questions about this policy: [email protected].