# What Is An American Billion?

The American billion is one thousand million: 1,000,000,000.

The trillion is also the American version now – one thousand billion.

## Is an American billion the same as a British billion?

In British English, a billion used to be equivalent to a million million (i.e. 1,000,000,000,000), while in American English it has always equated to a thousand million (i.e. 1,000,000,000). In British English, a trillion used to mean a million million million (i.e. 1,000,000,000,000,000,000).

## How much is an American billion?

The USA meaning of a billion is a thousand million, or one followed by nine noughts (1,000,000,000). Increasingly in this country we are using the USA meaning of a billion for these big numbers, and a trillion for the old UK meaning of one followed by twelve noughts.

## Why is an American billion different?

In old fashioned British counting a million million used to be a billion. But in America this would be a trillion, so it’s actually a thousand million is a billion. Because when you get to what is a British trillion, well it’s not a billion billion, it’s a million billion. So it breaks down in both cases.

## How many millions is 1 billion?

one thousand millions