# Billion vs. Gillion — What's the Difference?

By Urooj Arif & Fiza Rafique — Updated on March 27, 2024
Billion represents a number (1,000,000,000), while gillion is not a standard numerical term in mathematics or finance.

## Compare with Definitions

#### Billion

A billion is a number with two distinct definitions: 1,000,000,000, i.e. one thousand million, or 109 (ten to the ninth power), as defined on the short scale.

#### Gillion

A thousand million, proposed as an alternative to the (now little used) British milliard and the (ambiguous, in the UK) US billion.

#### Billion

The cardinal number equal to 109.

#### Gillion

An unspecified large number (of).

#### Billion

Chiefly British The cardinal number equal to 1012.

#### Billion

An indefinitely large number.

#### Billion

A thousand million ([https://en.wikipedia.org/wiki/Long_and_short_scales#Comparison logic: 1,000 × 1,000^2]): 1 followed by nine zeros, 109; a milliard

#### Billion

A million million ([https://en.wikipedia.org/wiki/Long_and_short_scales#Comparison logic: 1,000,000^2]): a 1 followed by twelve zeros; 1012

#### Billion

An unspecified very large number.
There were billions of people at the concert.

#### Billion

According to the French and American method of numeration, a thousand millions, or 1,000,000,000; according to the English method, a million millions, or 1,000,000,000,000. See Numeration.

#### Billion

The number that is represented as a one followed by 12 zeros; in the United Kingdom the usage followed in the United States is frequently seen

#### Billion

The number that is represented as a one followed by 9 zeros

#### Billion

Denoting a quantity consisting of one thousand million items or units in the United States

#### Billion

Denoting a quantity consisting of one million million items or units in Great Britain

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