Convert Scientific Notation to a Number

Convert Scientific Notation to a Number helps you unpack those compact exponential values and turn them into their full decimal forms. Whether you’re decoding small measurements or giant numbers stored in e-notation, this tool makes it simple. You paste the input, and it instantly shows you the full value no calculation required.

Paste your input above or import a file below.
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Supported file types: .txt, .csv, .log, .json, .md, .ini
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Options
Trim whitespace
Ignore empty lines

How to Use:

  1. Paste scientific notation values into the input field.
  2. Or upload a text file with Choose File to load them all at once.
  3. Use the toggles to trim whitespace or skip empty rows.
  4. View the full decimal output immediately on the right.
  5. When done, copy the result or export it to a text file.

What Convert Scientific Notation to a Number can do:

This tool takes numbers like 1.23e5 or 4.56e-4 and converts them into standard numeric values like 123000 or 0.000456. It handles negative numbers and large exponents cleanly, giving you the full version of each number for easier reading, debugging, or processing.

The Options box gives you flexibility in how input is handled. If “Trim whitespace” is on, it strips away any stray spaces before parsing. That’s handy when pasting messy data. If “Ignore empty lines” is also enabled, blank rows won’t get processed or clutter your results. These toggles help ensure that every line is clean and valid before conversion happens. Everything updates live, so you can paste and tweak without refreshing or clicking extra buttons.

Example:

Input:

1.23e5  
4.56e-4  
-4.2e1

Output:

1.23e5 → 123000  
4.56e-4 → 0.000456  
-4.2e1 → -42

Common Use Cases:

Convert Scientific Notation to a Number is great when you’re dealing with exported data from scientific software, sensor logs, or spreadsheets that default to exponential formatting. It’s also helpful in teaching, where seeing the full value helps reinforce understanding. If you’ve got notation, this tool turns it into numbers clean and fast.

Useful Tools & Suggestions:

Once you’ve got scientific notation sorted out, Convert a Number to the Power of Ten is a natural next step if you’re building values in that format. And if you’re debugging weird input, Split a Number into Digits can help you see exactly what you’re working with.

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