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Scientific notation converter
Write numbers in scientific, E and engineering notation, or turn them back into full decimals.
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About Scientific notation converter
Write a number as a coefficient between 1 and 10 times a power of 10, such as 0.00045 = 4.5 x 10^-4, or turn it back into a full decimal. The tool also shows E notation (4.5E-4), as used in spreadsheets, and engineering notation, whose exponents are multiples of three.
How to use Scientific notation converter
- Type a number in normal or scientific form.
- Choose scientific, E or engineering notation.
- Copy the result or turn it back into a full decimal.
Why use this tool?
- Private: everything happens in your browser. Nothing you enter is uploaded.
- Free, with no sign-up, no watermark and no limit on how often you use it.
- Works on phones, tablets and computers: Android, iPhone, Windows, Mac and Linux. Nothing to install.
- Free to embed on your own website, with a ready-made code to copy.
- Available in 10 languages.
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Frequently asked questions
What does 3.2E5 mean?
It means 3.2 x 10^5, which is 320,000. The E stands for exponent.
What is engineering notation?
Engineering notation uses powers of ten that are multiples of three, such as 12.5E3. It matches unit prefixes like kilo and mega, which makes values easy to read.
How do I write a small number like 0.00045?
Move the decimal point until one digit is before it. 0.00045 becomes 4.5 x 10 to the power of minus 4, written as 4.5E-4.
Is Scientific notation converter free?
Yes. Scientific notation converter on Toolipedia is free to use, with no sign-up and no watermark.
Is it safe to use?
Yes. Everything is worked out in your browser, and nothing you enter is sent to our server.
Does it work on my phone?
Yes. It works in any modern browser on Android and iPhone, as well as on tablets and computers. There's nothing to install.
Do I need an account?
No. Just open the page and use the tool. There's no sign-up and no email needed.
Can I put Scientific notation converter on my own website?
Yes. Use the Embed on your site button under the tool to copy a short piece of code and paste it into your page. It is free, needs no account, and the tool keeps working inside your page.