Calculator settings are kept in the page address so you can reopen or share a result. Shared links include the selected reading, contact assumption and units.
Measured carries
Measurements you save are stored only in this browser. They are not included in the result link or distance card. Clearing this site’s browser data erases them.
Usage counts
The public site counts page loads, calculator use, link copy status and PNG creation without cookies. Entered numbers and user IDs are not added to usage events. The site uses Cloudflare Web Analytics and a same origin usage endpoint.
Distance cards
PNG images are created in your browser. A download request does not guarantee that your device saved the file. Use the preview and Download PNG link if you need to try again.