Cookie Policy

Last updated: May 24, 2026

The calculators use browser local storage to remember your recent inputs on the same device. Local storage is not sent to this site as a server request.

Current services

No advertising cookies are currently enabled by this site. If advertising or analytics services are introduced, this page will be updated to explain their use before they are activated.

Managing saved inputs

Use the Reset action inside a calculator to return its values to the example estimate, or clear this site's stored data through your browser settings.