Privacy policy
Last updated 6 November 2026.
Calculator inputs
Numbers you type into a calculator are processed in your browser. They are not sent to our servers. If you bookmark or share a result, the inputs are in the page address you copied; nothing else stores them.
Analytics
We use Google Analytics 4 to understand which pages and calculators are used, in aggregate. Google sets cookies for this purpose; you can opt out with the Google Analytics opt-out browser add-on or by blocking cookies for this site.
Advertising
If display advertising is enabled, the advertising network (for example Google AdSense) may use cookies to show ads based on your visits to this and other sites. You can manage personalised advertising in your Google Ads settings or through your browser.
If you email us, we keep the message to answer it and to record a fee correction. We do not add you to any list.
Contact
Questions about this policy: waleed@dablewdevs.com.