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Calculation Machine

Scientific Notation Converter

Convert between standard form and decimal notation.

Reviewed by the Calculation Machine team · How we check our maths

Your values

ⓘ Live results

Results
Scientific notation
4.5821 × 10^-4
Engineering notation
458.21 × 10^-6
E-notation
4.582100e-4
Decimal form
0.00045821

Quick answer

Scientific notation writes a number as a coefficient between 1 and 10 multiplied by a power of ten.

The formula

n = a × 10^b, 1 ≤ |a| < 10

Worked example

Worked example

Using the values the calculator loads with.

Inputs

  • Number0.00045821

Result

  • Scientific notation4.5821 × 10^-4
  • Engineering notation458.21 × 10^-6
  • E-notation4.582100e-4
  • Decimal form0.00045821

How to use the Scientific Notation Converter

  1. 1Type any number, however large or small.
  2. 2Read the scientific and engineering forms.
  3. 3Copy the notation you need.

Frequently asked questions

What is engineering notation?

Scientific notation restricted to exponents that are multiples of three, so they line up with SI prefixes like kilo, milli and micro.

How many significant figures should I keep?

Match the least precise measurement in your calculation — extra digits imply precision you do not have.

About this calculator