Number to Word Converter

Convert any number to its English word equivalent instantly. Supports integers, decimals, negative numbers, and currency formatting for checks and documents.

Your data is processed entirely in your browser. Nothing is uploaded to any server.

Currency Mode (USD)

Capitalize First Letter

Use "and" (e.g., one hundred and one)

Use Hyphens (e.g., twenty-one)

Number Input

Words Output

Instant Conversion

Convert any number to English words instantly. Handles integers, decimals, and negative numbers with zero delay.

Currency Formatting

Enable currency mode to format numbers as dollar amounts with cents. Perfect for writing checks and financial documents.

100% Private

All processing happens in your browser. Your data never leaves your device, safe for sensitive financial numbers.

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Frequently Asked Questions

How do I convert a number to words?

Enter any number in the input field and click "Convert to Words". The tool instantly converts your number to its English word equivalent. You can also enable currency mode to format the result as a dollar amount.

What is the largest number this tool can convert?

This tool can convert numbers up to 999 vigintillion (999 followed by 63 zeros). It supports the full range of standard English number names from ones through vigintillions.

Can this tool convert decimal numbers to words?

Yes. Decimal numbers are converted by spelling out the whole number part, then adding "point" followed by each decimal digit spelled out individually. For example, 3.14 becomes "three point one four".

Does it support currency formatting?

Yes, enable the Currency Mode option to format numbers as dollar amounts. For example, 42.50 becomes "forty-two dollars and fifty cents". This is useful for writing checks or financial documents.

Is my data secure when using this tool?

All conversion happens locally in your browser using JavaScript. No data is sent to any server. Your numbers never leave your device, making this tool completely private and secure.