Privacy policy

Last updated: 2026-10-08

All calculations run locally in your browser. The values you enter are not sent to or stored on our servers. If you use "Copy link to these results", your inputs are placed in the link so you can share them; only people you share the link with will see them.

We store small preferences in your browser's local storage, such as your chosen currency or units. You can clear them at any time through your browser settings.

The site is hosted on Cloudflare, which processes standard technical data such as IP addresses to deliver the site and protect it from abuse. We may use privacy-friendly, cookie-free aggregate analytics to count page views. This policy will be updated before any advertising or other third-party services that use cookies are added.