Scientific Notation Converter

Convert numbers to and from scientific notation

Decimal Number

Formula Reference

Scientific: a × 10^n where 1 ≤ |a| < 10

Engineering: a × 10^n where n is a multiple of 3

Sig Figs: Count all non-zero digits and any zeros between them or after a decimal point

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How to Use

What is scientific notation?

Scientific notation expresses numbers as a coefficient times 10 raised to a power (e.g., 3.2 x 10^6).

What is E notation?

E notation is a computer format like 3.2E6, where E means 'times 10 raised to the power of'.

How many significant figures are shown?

The tool maintains full precision and displays up to 15 significant figures.