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Million to billion converter icon showing M and B labels

Million To Billion

Million to Billion Converter

Convert millions to billions and back

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A million is 1,000,000 (106) and a billion is 1,000,000,000 (109) in the short scale used in the US, UK and most of the world today. 1 billion = 1,000 million.

Enter a value in either field below and the other updates automatically.

Million
Billion
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Converted Value
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Million
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Billion
Calculation
1 billion = 1,000 million (short scale, used in US/UK and most of the world).

Financial and economic figures frequently shift scale between millions and billions depending on the size of the number and the source reporting it, this converter switches between the two instantly.

How to use this million to billion converter

  1. Enter a value in the Million field to see the equivalent in billions.
  2. Or enter a value in the Billion field to see the equivalent in millions, either field updates the other automatically.

What this converter does

A million is 1,000,000 (10⁶) and a billion is 1,000,000,000 (10⁽) in the short scale used in the US, UK, and most of the world today. This converter applies the exact relationship between the two scales.

1 billion = 1,000 million

Why this conversion is easy to get wrong mentally

The jump from million to billion is a factor of exactly 1,000, the same jump as thousand to million, but because both numbers already look large, it’s easy to misjudge the relative scale without doing the actual division or multiplication, this converter removes that risk for quick reference.

Frequently asked questions

How many millions are in a billion?

Exactly 1,000 millions make up 1 billion.