Privacy

Calculator inputs

Everything you type into a calculator is processed in your browser. The figures are never sent to a server and never stored. If you use the “copy a link” button, your inputs are encoded into that URL — so treat the link as you would the numbers themselves.

Advertising

This site shows ads served by Google. Google and its partners may use cookies to serve ads based on your prior visits to this and other websites. You can opt out of personalised advertising in Google Ads Settings, and manage cookies from other vendors at aboutads.info/choices.

Analytics

Aggregate traffic statistics are collected to understand which pages are useful. They are not linked to you as an individual.

Contact

Questions about any of this, or a request to have data removed, can be sent through the contact address published on the about page.

This page is a starting point and should be reviewed against GDPR, CCPA and Google Publisher Policies before the site carries live advertising.