How the site earns money
The site earns money from advertising served by Google AdSense. Google places ads on the pages, and the site receives payment when visitors view or click them. The site does not choose which advertiser appears for a given visitor.
Advertising and editorial content
- Advertisements are kept apart from calculator results, formulas, guides and FAQs.
- An advertisement is never presented as our own recommendation, rating or endorsement.
- Calculator results do not change because of advertising.
- We do not accept payment to change a calculator, a formula, a guide or a fact on the site.
Affiliate links
At the time of this update, the site does not include affiliate links. If affiliate links are added, each one will be labelled, the page will say that the site may earn a commission, and the facts and the order of any products will not depend on that commission. Every product page will also link to the provider's official website.
Sponsored content
The site does not publish sponsored articles. If that changes, each sponsored piece will be clearly marked as such at the top of the page before any other content.
Your choices about ads
You can limit personalised advertising through Google Ads Settings. The privacy policy explains the cookies used and how to manage consent in the EEA, UK and Switzerland.