Your privacy

This TechCalc release requires no account and does not submit calculator inputs to a server. Calculations run locally in your browser. Calculator preferences are stored in your browser’s localStorage; use the “Reset inputs” button or your browser settings to erase them.

Cloudflare Web Analytics is enabled to measure aggregated page views, countries and site performance. Values entered into calculators are processed locally and are not sent to our server by the calculator forms. There are currently no active ads, payments or affiliate links. Analytics documentation: https://developers.cloudflare.com/web-analytics/about/.

Demonstration project — the site operator and legal details must be provided before launching a commercial service.