指数表記フォーマッター
数値を科学的記数法・工学記数法に変換。有効桁数を自由に設定可能。
100% in your browser. Your file never leaves your device.
Enter a number above.
How to use
- Enter any number — positive, negative, decimal, or very large/small.
- Adjust the significant figures control to set the desired precision.
- Click Convert — results appear in scientific, E notation, and engineering formats.
Related format tools
- Money Formatter — format amounts with currency symbols
- Date ISO Formatter — convert dates to ISO 8601 format
- Phone Number Formatter — format phone numbers
よくある質問
- Is the scientific notation formatter free?
- Yes, completely free with no signup and no usage limits.
- Does my data leave my device?
- No. All formatting runs in JavaScript inside your browser. Nothing is sent to any server.
- Does it work on mobile?
- Yes. The tool is mobile-first and works on iPhone Safari and Android Chrome.
Last updated: By jarvisbox