What cookies are

Cookies are small text files a website stores in your browser to remember information between visits. Related technologies (pixels, local storage, device identifiers) work similarly; we refer to them all as “cookies” here.

How this site uses cookies

• Strictly necessary. A small number of cookies make the site work — including the cookie that remembers your consent choice. These don’t track you and can’t be switched off.
• Analytics. With your consent, we use analytics cookies to understand aggregate traffic — which pages are visited, from what region, on what kind of device. This helps us decide which calculators to improve or build next.
• Advertising. With your consent, Google AdSense and its partners set cookies (including the DoubleClick cookie) to serve and measure ads, and — if you allow personalized ads — to tailor them based on your visits to this and other sites.

Your calculator inputs are never stored in cookies — every tool runs entirely in your browser and discards your numbers when you close the page.

Your choices

• Consent banner. On your first visit you can accept all, reject non-essential, or customize cookie categories. You can change your choice at any time via the cookie settings link on this site.
• Google settings. Opt out of personalized advertising at adssettings.google.com, and read how Google uses data from partner sites at policies.google.com.
• Industry opt-outs. Many ad vendors participate in aboutads.info and networkadvertising.org opt-out tools.
• Browser controls. Every major browser lets you block or delete cookies; blocking all cookies may affect the consent banner’s memory of your choice but will not break the calculators.

More information

For the full picture of what data we collect and how it’s handled, see our Privacy Policy. Questions? Contact us.