Number to Words Converter
Convert numbers to their English word representation. Perfect for writing checks, legal documents, invoices, and learning proper number pronunciation.
Convert Number to Words
Enter a number to convert it to words:
Supports numbers from -999 trillion to +999 trillion
Writing Numbers as Words
Converting numbers to their word form is essential for formal writing, legal documents, and financial transactions. Different contexts require different styles and formats.
American vs British English Styles
πΊπΈ American English
123 = "one hundred twenty-three"
1,456 = "one thousand four hundred fifty-six"
No "and" before tens
π¬π§ British English
123 = "one hundred and twenty-three"
1,456 = "one thousand four hundred and fifty-six"
"And" before tens
Common Number Writing Rules
| Number Type | Example | Rules |
|---|---|---|
| Hundreds | 123 | "one hundred twenty-three" |
| Thousands | 1,234 | "one thousand two hundred thirty-four" |
| Millions | 1,000,000 | "one million" |
| Billions | 1,000,000,000 | "one billion" |
| Decimals | 1.5 | "one point five" |
| Negative | -123 | "negative one hundred twenty-three" |
When to Write Numbers as Words
π° Financial Documents
Checks, invoices, contracts
Legal amounts must be written in words
Prevents alteration of amounts
π Formal Writing
Academic papers, reports
Numbers under 10 (or 100)
Beginning of sentences
π Technical Writing
Large numbers in text
Measurements and quantities
Statistical data presentation
Pronunciation Guide
| Number | Word | Pronunciation Tips |
|---|---|---|
| 20 | twenty | "twen-tee" (not "twen-ty") |
| 30 | thirty | "thur-tee" (ends with "-ee") |
| 40 | forty | "for-tee" (not "fourty") |
| 50 | fifty | "fif-tee" (not "fifty") |
| 13 | thirteen | "thir-teen" (not "thir-teen") |
| 15 | fifteen | "fif-teen" (not "fif-teen") |
π‘ Writing Tip: When writing checks, always write the amount in words first, then add the numerical amount. This prevents someone from altering the amount by changing the numbers.
Special Cases and Exceptions
- Zero: Always "zero" (not "nought" in American English)
- Compound Numbers: Use hyphens for numbers 21-99
- Large Numbers: Use commas every three digits in numerals
- Ordinal Numbers: Add "-st", "-nd", "-rd", "-th" for positioning
- Fractions: "one-half", "three-quarters", "two-thirds"
International Number Systems
| System | Example | Usage |
|---|---|---|
| Short Scale (US/UK) | 1 billion = 1,000 million | Most English-speaking countries |
| Long Scale (Continental Europe) | 1 billion = 1 million million | France, Germany, Spain |
| Indian System | 1 lakh = 100,000 1 crore = 10 million |
India, Pakistan, Bangladesh |
Number Word Origins
π’ Teens (10-19)
"Ten" from Old English "tΔ«en"
"Eleven" = "one left" (from 10+1)
"Twelve" = "two left" (from 10+2)
π Tens (20-90)
"Twenty" from Old English "twΔntig"
"Thirty" from "threotig"
All end with "-ty" in writing, "-tee" in speech
ποΈ Large Numbers
"Thousand" from Old Norse "thΕ«sund"
"Million" from Italian "millione"
"Billion" from French "billion"
Practical Applications
- Banking: Writing checks and financial documents
- Legal: Contracts, agreements, and official documents
- Education: Teaching children number recognition
- Publishing: Writing books, articles, and manuscripts
- Accounting: Financial reports and statements
- Academic: Research papers and theses
Digital Age Considerations
In the digital era, number-to-words conversion is important for:
- Voice Assistants: Converting numbers for speech synthesis
- Accessibility: Screen readers for visually impaired users
- Automated Systems: Converting numerical data to readable text
- Language Learning: Teaching number pronunciation in different languages