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Scientific Notation Converter

Express a finite number as a coefficient times a power of ten.

Tool inputs stay in your browser · optional AI search sends your query

Good to know: Enter a decimal or e notation such as 1.5e8. Display uses eight fractional digits in the coefficient; this is notation conversion, not arbitrary precision.

How to use it (step by step)

  1. 1Fill in the boxes: “Number”. Example numbers are already there so you can see how it works; replace them with yours.
  2. 2The result updates instantly as you type (on a phone it is below the boxes).
  3. 3The bold line is the main answer. Tap Copy next to any value to copy it.

Words to know

Unit conversion
Changing a value from one measurement to another, like kilometers to miles. The amount stays the same; only the unit changes.
Scientific notation
A short way to write very big or small numbers: 3,000,000 = 3 × 10⁶.
Fraction / ratio
A fraction is a part of a whole (3/4 = three of four parts). A ratio compares two amounts (2:1 = twice as much).

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