Scientific Notation Converter

⇄ Converters Math

Scientific Notation Converter

Convert ordinary decimal numbers to scientific notation and scientific notation back to decimal form.

Free to use Reviewed Sep 22, 2026

Move between decimal and exponential form

Scientific notation expresses a number as a coefficient multiplied by a power of ten. The converter accepts e-notation such as 1.23e6.

Methodology

How this resource works

Scientific notation normalizes a non-zero value so the coefficient has one non-zero digit before the decimal point and expresses the remaining scale as a power of ten.

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