Number Formatter
Format numbers with thousands separators, currency symbols, scientific notation, and multiple locale support. Free online number formatting tool.
Why Use a Number Formatter?
Number formatting varies significantly across regions and use cases. Our Number Formatter lets you instantly convert numbers into the correct format for any locale, add currency symbols, display scientific notation, or create compact representations like 1.2M. All processing happens locally in your browser.
Key Features
- Format numbers with thousands separators for 10+ locales
- Currency formatting with 9 major currencies
- Scientific notation and compact number display (1.2M)
- Percentage formatting with custom decimal places
- Side-by-side comparison across all locales at once
How It Works
- Enter a number in the input field
- Select format mode (number, currency, scientific, percent, compact)
- Choose your locale and options
- Copy the formatted result to clipboard
Technical Details
This tool uses the Intl.NumberFormat API, a built-in JavaScript internationalization API that provides locale-aware number formatting. It supports the 'decimal', 'currency', 'percent', and 'unit' styles, as well as scientific and compact notation introduced in ES2020.
Frequently Asked Questions
What locales are supported?
We support 10 locales including English (US/UK), German, French, Japanese, Russian, Chinese, Spanish, Portuguese, and Hindi. Each locale has its own number formatting conventions.
How does compact notation work?
Compact notation abbreviates large numbers using locale-appropriate suffixes. For example, 1,200,000 becomes '1.2M' in English or '1,2 Mio' in German.
Can I use this for financial reporting?
Yes, the currency formatting follows the conventions of each locale, including proper placement of currency symbols, decimal separators, and thousands separators.
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