Scientific Notation Converter
This scientific notation converter switches numbers between plain decimal and normalised scientific and engineering notation. It is useful for very large or very small quantities.
Your input is processed locally in your browser and is not uploaded or stored.
What this tool does
Expressing a number as a coefficient multiplied by a power of ten. This scientific notation converter is free, works on desktop and mobile, and requires no sign-up.
Also useful for: conversion of scientific notation to decimal, convert a decimal to scientific notation, convert from scientific notation to decimal, decimal to scientific notation, exponent to decimal, scientific notation to decimal, scientific notation to decimal form.
Features
- Decimal to scientific and back
- Engineering notation option
- Adjustable significant figures
- Instant output
How to use it
- Enter a number in either form
- Read the converted representation
- Copy the result
Examples
1500001.5 × 10^5 Common uses
- Scientific reporting
- Handling extreme magnitudes
- Normalising measurements
Good to know
- Extremely long inputs are limited by double precision
Frequently asked questions
What is engineering notation?
A variant where the exponent is always a multiple of three, aligning with SI prefixes.