Billion

Billion is a name for a large number. There are two different meanings for the term:

  • 1,000,000,000 (109, one thousand million) is the short scale definition. It is used in both British and American English. The short scale has been used in the United Kingdom since 1974. Its prefix is “giga-“.
  • 1,000,000,000,000 (1012, one million million) is the long scale definition. It was formerly used in the United Kingdom. It is currently in some other countries. When “billion” has this meaning, the word “milliard” can be used for “thousand million”.

Some examples of billion meaning thousand million:

Billion may also refer to:


Billion Media