Privacy policy

This policy explains what information Dollar Math Home (home.thedollarmath.com) collects and how it is used.

Information stored on your device

The numbers you type into our calculators are processed only in your browser. Your last inputs may be stored in your browser's local storage. This data stays on your device and is not sent to us. You can clear it at any time by clearing your browser data.

Analytics

We may use Google Analytics to understand how many people visit and which calculators are popular. Google Analytics uses cookies to collect information such as pages visited, approximate location and device type. It does not tell us who you are.

Advertising

We use Google AdSense to show ads. Third-party vendors, including Google, use cookies to serve ads based on your prior visits to this website or other websites. Google's use of advertising cookies enables it and its partners to serve ads to you based on your visits to this and other sites on the internet.

You can opt out of personalized advertising by visiting Google Ads Settings, or opt out of some third-party vendors' use of cookies at www.aboutads.info. Learn more in how Google uses information from sites that use its services.

Visitors in the EU, UK and California

Where required by law, we ask for your consent before setting advertising cookies, and you can change your choice at any time. California residents can opt out of the sale or sharing of personal information through the same consent controls.

Children

The site is not directed at children under 13 and we do not knowingly collect personal information from them.

Contact

Questions about this policy can be sent to hello@thedollarmath.com.

Last updated: October 2026.