Privacy Policy

Calculators run entirely in your browser; the numbers you type are not sent to us or stored.

Advertising

We use Google AdSense to show ads. Google and its partners use cookies to serve ads based on your prior visits to this and other websites. You can opt out of personalized advertising at Google Ads Settings or aboutads.info. Learn how Google uses information from sites that use its services.

Visitors in the EEA, UK and Switzerland are asked for consent before personalized ads are shown.

Children

The site is meant for high-school students and parents. We do not knowingly collect personal information from children under 13.