Scientific Notation Converter
Enter a number in decimal or scientific notation (e.g. 1.23e6 or 0.000045) to see all representations.
100% client-side · no upload
Please enter a valid number (e.g. 1234, 1.23e6, or 4.5e-5).
How to use
- Type a number in the input — decimal (
0.000045), scientific (4.5e-5), or integer (1234567890). - Click Convert to see the number in scientific, engineering, and decimal notation.
- Copy the format you need.
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常见问题
- Is this scientific notation converter free?
- Yes, completely free with no signup and no usage limits.
- Does my data leave my device?
- No. All calculations run in JavaScript inside your browser. Nothing is sent to any server.
- Does it work on mobile?
- Yes. The converter is mobile-first and works on iPhone Safari and Android Chrome.