Privacy Policy
Last updated July 2026
What we collect
If you subscribe, we store the email address you give us. We also collect standard analytics such as pages viewed, approximate region and referring site.
Calculators
Numbers entered into our calculators are processed in your browser and are not transmitted to or stored by us.
Cookies and analytics
We use cookies for site preferences and for aggregate analytics. You can block cookies in your browser; the site still works.
Your choices
You can unsubscribe from any email with one click, and you can ask us to delete the data associated with your address by contacting us.