Scientific Notation Converter

How to convert to scientific notation

1. Type a number, or scientific notation such as 3.2e5 or 3.2 × 10^5.
2. Choose the number of significant figures.
3. See it in scientific notation, E notation and as a decimal.

Frequently asked questions

What is E notation?

A way of writing scientific notation on one line: 4.5E+4 means 4.5 × 10⁴.

How do I write 0.00056 in scientific notation?

5.6 × 10⁻⁴. Move the decimal point until one non-zero digit is in front of it, and count the moves.

Why use scientific notation?

Very large and very small numbers are shorter to write and compare, and the number of significant figures is clear.