The term trillion can mean more than one thing:

  • In Canadian, the Greek language, and American usage, one trillion equals 1,000,000,000,000, or 1012, or one million millions. Britain and Australia traditionally used the European version, but have recently largely switched to the U.S. usage.

  • In traditional European usage, one trillion equals 1,000,000,000,000,000,000, or 1018, or one million million millions.


This is a disambiguation page; that is, one that just points to other pages that might otherwise have the same name. If you followed a link here, you might want to go back and fix the link, so that it points to the appropriate page.