Privacy

Last updated 27 Oct 2026.

• The calculators run in your browser. The numbers you type are not sent to us. They appear in a page address only if you use "Copy link", so you can share or bookmark a result.
• This site does not use cookies, advertising or analytics at the moment. If that changes, this page will be updated before it happens.
• The sites are hosted by Cloudflare, which processes technical request data (such as IP addresses) to deliver and protect them.
• Contact: Contact details coming soon.