Calculator inputs stay in your browser
The calculator processes the values you enter locally. This site does not provide accounts, a database of your calculations, advertising trackers or analytics scripts. Do not enter personal information into calculator fields.
Hosting and security
Your browser requests pages and assets from our hosting infrastructure and Cloudflare. These providers may process your IP address, browser information, request time and requested URL to deliver and protect the service. Server access logs may retain this technical information for operational purposes.
Preferences and external links
The selected language is represented in the page URL. Unit choices are controlled separately. External reference links lead to third-party sites with their own privacy practices.
Changes and questions
This policy describes the current website. If data collection changes, this page will be updated. See the contact page for the currently available feedback channel.
Last updated: 2026-09-15