Scientific Notation Calculator

Convert numbers to and from scientific notation.

Quick answer: Convert numbers to scientific notation and back. Free calculator for very large or small numbers.

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Convert ordinary numbers into scientific notation (a × 10^b) and vice versa. Useful for very large or very small values.

How it works

  1. Enter any number.
  2. The calculator shows it in scientific notation.
  3. You can also enter scientific notation to expand it.

Frequently asked questions

Why use scientific notation?

It makes very large (e.g. 6.02 × 10^23) or very small numbers easier to read and calculate.

What is the coefficient?

The number between 1 and 10 in front of the power of 10.

How do I enter it?

Most calculators accept forms like 1.23e4 or 1.23 × 10^4.

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