Calculator inputs
Calculator values are processed locally by JavaScript in your browser and are not submitted to us by the calculator forms.
Server logs
Our hosting and security providers may process IP address, request time, requested URL, user agent, referrer, and security signals to deliver and protect the service.
Advertising
This site is supported by advertising served by Google and its partners.
- Third-party vendors, including Google, use cookies to serve ads based on your prior visits to this site or to other websites.
- Google’s use of advertising cookies enables it and its partners to serve ads to you based on your visit to this and other sites on the internet.
- You can opt out of personalised advertising in Google Ads Settings, or across many vendors at aboutads.info and youronlinechoices.com.
- Google describes the data it processes for partner sites at How Google uses information from sites or apps that use our services.
Advertising cookies never receive your calculator inputs: those are processed in your browser and are not part of any request. In the European Economic Area, the United Kingdom and Switzerland personalised advertising requires your consent, which you may change or withdraw at any time.
This site is intended for a general adult audience and is not directed at children under 13.
Cookies
Essential storage remembers your consent choice. Details are in the cookie policy.
Analytics
This site uses Yandex Metrica to see how pages are used: it sets cookies and records views, clicks, scrolling and a session replay. Metrica is operated by Yandex under its own privacy policy; you can opt out with the Metrica opt-out extension. Calculator values are still processed in your browser and are not part of what Metrica reports.
Retention and sharing
Operational logs are retained only as needed for security and reliability. We do not sell calculator inputs. Data may be disclosed to service providers or where legally required.
Your choices
You may block or clear browser storage and contact [email protected] about access, deletion, or other rights that apply in your jurisdiction.
Changes
We may revise this policy as the service changes. The version displayed here applies from August 13, 2026.