Calculator inputs
All calculations run in your browser. The values you type are never sent to a server, never stored, and disappear when you close the page.
Server logs
The hosting provider records standard request data: IP address, timestamp, requested path, user agent. These logs are used for security and aggregate traffic counts, and are retained according to the host's policy.
Cookies and advertising
This site is supported by advertising served by Google AdSense. Google and its partners may use cookies or similar identifiers to serve ads based on your prior visits to this and other websites.
- You can opt out of personalised advertising in Google Ads Settings.
- You can learn about advertising cookies at aboutads.info and Your Online Choices in the EU.
- In the European Economic Area, the United Kingdom and Switzerland, personalised advertising is shown only after consent is given through Google's consent message.
Contact form
A message sent through the contact form is stored with the name and email address you choose to give, the time it was received and the country reported by the hosting provider. It is used only to read and answer the message and is removed from the site's storage within 30 days. The site sets no cookies of its own and has no accounts or payments.
Questions about this policy can be sent through the same form.