Privacy and cookies

The calculators work without an account. Values entered into browser-based calculators are not submitted to us unless a tool clearly states otherwise.

Optional services

Analytics and advertising are disabled until you accept optional cookies. You may clear this site’s local storage to reset your choice. Advertising providers may process device and usage data under their own policies after consent.

Operational data

Our infrastructure may retain limited security logs, such as IP addresses and request details, to prevent abuse and diagnose failures.