▣ CALCULATORS Updated July 25, 2026

Scientific Notation Converter

Standard form, engineering notation, and decimals.

Number
Result
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How it works

The value is normalised to a mantissa between 1 and 10 for scientific notation, and to an exponent that is a multiple of three for engineering notation.

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Frequently asked questions

What is engineering notation?

A variant where the exponent is always a multiple of 3, matching SI prefixes like kilo, mega, and micro.

Can I enter 1.5e-9?

Yes. E-notation input is accepted and converted back to plain decimal.

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