Number to Words
Convert numbers to written words
Last updated: January 2025
About This Tool
A number to words converter transforms numerical figures into their written text equivalent. Essential for writing checks, legal documents, and formal communications where numbers must be spelled out to prevent fraud or misinterpretation.
What is Number to Words Converter?
Number to words conversion is the process of expressing numerical values as written text (e.g., 123 becomes "one hundred twenty-three"). This is required in many contexts including financial documents, legal contracts, and formal writing. The converter handles integers, decimals, and currency amounts with proper formatting.
How It Works
The converter breaks down a number into groups of three digits (thousands, millions, billions, etc.) and converts each group using rules for ones, teens, and tens. These groups are then combined with their scale words. For decimals, each digit after the decimal point is converted individually or as a unit for currency.
In Words
one million two hundred thirty four thousand five hundred sixty seven Dollars and eighty nine Cents
Formatted
1.23M
Scientific
1.23e+6
Quick Examples
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When to Use This Calculator
- 1Writing amounts on checks and financial documents
- 2Preparing legal contracts and agreements
- 3Creating formal invitations or certificates
- 4Generating invoices with written amounts for verification
- 5Teaching children number words and place values
Pro Tips
- •Always verify the written amount matches the numerical amount
- •Include "and" only before the cents/decimal portion, not between groups
- •Capitalize the first letter for checks and formal documents
- •For currency, include "Dollars and XX Cents" or "XX/100"
- •Consider regional variations (British vs American English)
Common Mistakes to Avoid
- •Inconsistent use of "and" in number words
- •Forgetting to handle zero amounts appropriately
- •Mixing British and American conventions
- •Not capitalizing appropriately for formal documents
- •Incorrect handling of teen numbers (11-19)