Calculator inputs
The calculator processes inputs in your browser. Its code does not send your values to a server. This edition does not store calculation history or require an account. Saved calculator identifiers are stored only in your browser; remove them with the Save button or by clearing browser storage. Copy and print actions run only when you select them.
Hosting and external links
The hosting provider may process connection data such as IP addresses and request logs. External reference links have their own privacy policies.
Optional analytics
If you allow analytics cookies, Google Analytics measures page views and technical information such as device, browser and approximate region. It does not receive calculator inputs or results from our code. Automatic form tracking, site-search tracking, Google signals and advertising personalization are disabled. URL query parameters and fragments are excluded from the page address sent to Analytics; only the origin of the referring site is sent.
You can reject analytics and continue using every calculator. Change your choice with “Privacy preferences” at the bottom of any page. Your choice is stored on this device for 180 days; Analytics cookies are set with a 180-day lifetime. Withdrawal disables collection and removes this site's accessible Analytics cookies. It does not delete data already processed by Google. Google privacy policy.
Advertising
This site is connected to Google AdSense for ownership verification and review. Verification metadata and ads.txt do not load an advertising tracker. Ad serving has not been activated in this version.