Privacy policy
Last updated 11 November 2026.
Calculator inputs
Everything you paste or type into a calculator is processed in your browser and encoded into the page URL so you can share it. It is not sent to our servers. If you share a link, whoever receives it sees the same inputs.
Analytics
We may use privacy-friendly, cookie-less analytics (such as Cloudflare Web Analytics) to count page views. No personal data is collected by us.
Advertising
The site is funded by display advertising. When ads are enabled, third-party vendors including Google use cookies or device identifiers to serve ads based on prior visits to this and other websites. You can opt out of personalised advertising at Google Ads Settings. Visitors in the EEA, UK and Switzerland are asked for consent before such cookies are set.