What we collect

If you create an account, we store your email address and a securely hashed password. Calculations you choose to save are stored with the inputs and results you entered. We never sell your data.

Cookies and analytics

We use essential cookies to keep the site working (e.g. staying signed in). With your consent (see the cookie banner, or “Cookie preferences” in the footer), we also use analytics cookies — Google Analytics, Google Tag Manager, and/or Microsoft Clarity, depending on what's configured — to understand how the site is used. You can withdraw consent at any time.

Advertising

This site may show ads served by Google and other third-party advertising vendors. These vendors, including Google, use cookies (such as the DoubleClick DART cookie) to serve ads based on your prior visits to this and other websites. Google's use of advertising cookies enables it and its partners to serve ads based on your visits to this site and/or other sites on the internet.

You can opt out of personalized advertising by visiting Google Ads Settings, or opt out of third-party vendor cookies for personalized advertising by visiting www.aboutads.info/choices. See how Google uses information from sites that use its services for more detail.

Contact form

Messages sent via the contact form are delivered by email to our support address and are not stored elsewhere. We use them only to respond to you.

Your rights

You can request access to, correction of, or deletion of your data at any time by contacting us.