This number converter moves between billions, trillions, the full number, and scientific notation.
Conversion
Billion to Trillion Converter
Convert numbers between billion, trillion, full-number, and scientific notation forms.
Calculator
About this calculator
Formula notes
billions = value / 1e9; trillions = value / 1e12; the full number is the base value and scientific notation uses toExponential().
Worked examples
- Example: 2.5 billion equals 0.0025 trillion, written as 2.5e+9 in scientific notation.
- 7.5 billion equals 0.0075 trillion and writes as 7.5e+9 in scientific notation.
How to use it
- Enter the value.
- Choose whether you entered billions, trillions, or a plain number.
- Read billions, trillions, the full number, and scientific notation.
Frequently asked questions
What is the exact scale used?
One billion is 1e9 and one trillion is 1e12, so one trillion equals one thousand billions.
Can I enter a plain number instead of billions?
Yes. Select number as the input unit to enter the raw value.
Limits and interpretation
- The converter uses the short-scale billion (1e9) and trillion (1e12); long-scale names may differ by region.
- Scientific notation is shown as JavaScript exponential form, which uses e for x10^.