Unit Converters

Billion to Trillion (Short Scale) Converter

Convert between billions and trillions on the US and UK short scale, where a trillion is 1,000 billion. Helpful for reading debt and GDP figures.

Try
Converted amount
1 trillion

1,000 billion → trillions

Conversion factor
÷1,000
1 billion equals
0.001 trillion
Conversion factors are exact; rounding may affect the final digit.
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How it's calculated

trillions = billions ÷ 1,000

1 trillion = 1,000 billion. Divide a billions figure by 1,000 to get trillions; multiply trillions by 1,000 to go back to billions (short-scale).

Common values

BillionsTrillions
500 billion0.5 trillion
1,000 billion1 trillion
2,500 billion2.5 trillion
10,000 billion10 trillion

Common questions

How many billions are in a trillion?

On the short scale, exactly 1,000 billion make a trillion.

What is the short scale?

It is the naming system used in the US and modern UK, where each higher term is 1,000 times the last.