Free Number to Words Converter Online
Convert any number to its written word form instantly. Perfect for writing checks, legal documents, and formal correspondence where numbers must be spelled out.
Features of Our Number to Words Converter
- Large number support - Converts up to 999 trillion
- Negative numbers - Handles negative values correctly
- Instant conversion - Results appear as you type
- American English - Uses standard US number naming
- One-click copy - Copy the result easily
- No registration - Free to use immediately
How to Use
- Enter any number (with or without commas)
- Click "Convert to Words"
- View the written word form
- Copy the result if needed
Number Conversion Examples
| Number | Words |
|---|---|
| 0 | zero |
| 12 | twelve |
| 42 | forty-two |
| 100 | one hundred |
| 1,234 | one thousand two hundred thirty-four |
| 1,000,000 | one million |
| 1,234,567,890 | one billion two hundred thirty-four million five hundred sixty-seven thousand eight hundred ninety |
American English Number Names
| Value | Name |
|---|---|
| 10³ | Thousand |
| 10⁶ | Million |
| 10⁹ | Billion |
| 10¹² | Trillion |
Common Use Cases
Writing Checks
Banks require amounts in both numbers and words to prevent fraud:
- $1,234.56 → One thousand two hundred thirty-four and 56/100
Legal Documents
Contracts and legal papers often spell out numbers for clarity and to prevent alterations.
Formal Letters
Professional correspondence may require numbers to be written out, especially for amounts under ten.
Educational Purposes
Learning to write numbers in words is an important skill for students.
FAQs About Number to Words
What is the maximum number supported?
Our converter supports numbers up to 999,999,999,999,999 (999 trillion).
Does it handle decimals?
Currently, the converter handles whole numbers. For checks, decimals are typically written as fractions (e.g., 56/100).
What about negative numbers?
Yes, negative numbers are prefixed with "negative" (e.g., -42 → negative forty-two).
Is this American or British English?
This uses American English (billion = 10⁹). British English historically used a different system.
Why Write Numbers as Words?
- Clarity - Words are unambiguous
- Formality - Required in legal contexts
- Fraud prevention - Written words are harder to alter
- Accessibility - Helpful for screen readers
Why Use Our Number to Words Converter?
- 100% free - No payment or registration
- Accurate - Tested with millions of numbers
- Fast - Instant conversion
- Easy to use - Simple, clean interface
- Mobile friendly - Works on any device