Privacy policy

Our calculators run entirely in your browser. The numbers you type are not sent to us or stored anywhere. We do not sell personal information.

Analytics

We use two analytics tools to see which guides are read. Vercel Web Analytics counts page views without cookies. We also use the Google tag (Google Analytics / Google Tag Manager), which sets cookies to measure visits and may collect data such as your IP address, device and browser details, and the pages you view. Google processes this data under its own privacy policy. You can block these cookies in your browser settings or with Google's opt-out add-on.

Contact

Questions about privacy? Reach us through the contact page.