Number to Words Converter
Transform numerical digits into written words instantly. Perfect for writing checks, legal documents, educational materials, and any situation where numbers need to be spelled out in full text format.
Number to Words Converter
Convert any number into written words with multiple format options
Supports whole numbers, decimals, and negative numbers
Examples
Try these example numbers to see how the converter works
Format Examples
See how the same number appears in different formats
Input: 1,234.56
Input: 21
How to Use the Number to Words Converter
Complete guide to converting numbers into written words
1Enter Your Number
Type any number you want to convert to words:
- Whole Numbers: 123, 1000, 5000000
- Decimal Numbers: 123.45, 0.75, 999.99
- Negative Numbers: -50, -123.45
- Large Numbers: Up to trillions
2Choose Output Format
Select the format that suits your needs:
- Standard: One hundred twenty-three
- Currency: One hundred twenty-three dollars
- Ordinal: One hundred twenty-third
- Title Case: One Hundred Twenty-Three
3Get Instant Results
View the converted text immediately:
Output: "One thousand two hundred thirty-four and fifty-six hundredths"
4Copy and Use
Copy the result for your documents:
- • Click the copy button for instant clipboard access
- • Use in checks, contracts, and legal documents
- • Perfect for educational and teaching purposes
Common Use Cases
Discover how professionals use our number to words converter
Check Writing
Convert dollar amounts to words for writing checks. Essential for preventing alterations and ensuring clarity in financial transactions.
Legal Documents
Spell out numbers in contracts, wills, and legal agreements to prevent ambiguity and ensure precise interpretation.
Education
Teach number spelling, help students understand number concepts, and create educational materials for various grade levels.
Formal Writing
Follow style guides that require numbers to be spelled out in formal writing, academic papers, and professional communications.
International Use
Create documents for international audiences where written numbers provide clarity across language barriers.
Accessibility
Make numerical content more accessible for screen readers and assistive technologies used by visually impaired users.
Understanding Number Systems
Learn how numbers are structured and converted to words
Place Value System
Our number system is based on place values, where each position represents a power of 10:
Example: 1,234,567
Million
Hundred
Thousand
Ten
Thousand
Thousand
Hundred
Ten
One
In words: "One million two hundred thirty-four thousand five hundred sixty-seven"
Large Number Names
Understanding the names of large numbers:
Decimal Numbers
Converting decimal numbers to words requires understanding fractional parts:
Example: 123.45
- Whole part: 123 → "One hundred twenty-three"
- Decimal part: .45 → "forty-five hundredths"
- Complete: "One hundred twenty-three and forty-five hundredths"
Currency Format: $123.45
"One hundred twenty-three dollars and forty-five cents"
Ordinal Numbers
Ordinal numbers indicate position or order:
Writing Style Guidelines
Professional standards for writing numbers as words
General Rules
- Spell out numbers one through nine in formal writing
- Use numerals for 10 and above in most contexts
- Always spell out numbers that begin sentences
- Use hyphens for compound numbers twenty-one through ninety-nine
- Spell out indefinite and approximate numbers
Special Cases
- Legal documents: Always spell out important numbers
- Checks: Use both numerals and words for amounts
- Academic writing: Follow specific style guide requirements
- Technical writing: Generally use numerals for precision
- Creative writing: Spell out for better flow and readability
Examples by Context
Formal Business Writing:
- "The company hired twenty-three new employees."
- "Revenue increased by 15 percent."
- "Expenses totaled $1.2 million."
Legal Documents:
- "The sum of five thousand dollars ($5,000)"
- "Property located at One Hundred First Street"
- "Term of ninety (90) days"
Related Number Tools
Explore other useful number conversion and calculation tools
Words to Number
Convert written words back to numerical digits
Roman Numerals
Convert between numbers and Roman numerals
Binary Converter
Convert between binary and decimal numbers
Ordinal Converter
Convert cardinal to ordinal numbers
Percentage Calculator
Calculate percentages and convert to words
Number Sorter
Sort and organize numerical data
Frequently Asked Questions
How do you write large numbers in words?
Large numbers are written using place value names. For example, 1,234,567 becomes "one million two hundred thirty-four thousand five hundred sixty-seven." The key is to group digits in threes from right to left and name each group with its appropriate place value (thousand, million, billion, etc.).
Should I use hyphens in number words?
Yes, use hyphens for compound numbers from twenty-one through ninety-nine. For example: "twenty-one," "thirty-five," "sixty-seven." This rule applies whether the compound number stands alone or is part of a larger number like "one hundred twenty-one."
How do you write decimal numbers in words?
For decimals, write the whole number part normally, then "and," then the decimal part. For example, 123.45 becomes "one hundred twenty-three and forty-five hundredths." In currency, this would be "one hundred twenty-three dollars and forty-five cents."
When should numbers be spelled out vs. written as numerals?
Generally, spell out numbers one through nine and use numerals for 10 and above. However, always spell out numbers that begin sentences, numbers in legal documents (for clarity), and when following specific style guides like APA or MLA that may have different rules.
How do you write negative numbers in words?
Negative numbers are written by adding "negative" or "minus" before the number. For example, -25 becomes "negative twenty-five" or "minus twenty-five." In financial contexts, you might also say "twenty-five dollars below zero."
What's the difference between cardinal and ordinal numbers in words?
Cardinal numbers express quantity (one, two, three), while ordinal numbers express position or order (first, second, third). For example, "I have three cats" uses cardinal, while "This is my first cat" uses ordinal. Most ordinals end in -th, except first
How accurate is this number to words converter?
Our converter is highly accurate and follows standard English conventions for writing numbers. It handles whole numbers, decimals, negative numbers, and very large numbers up to the quadrillions. The tool follows proper grammar rules including hyphenation and can output in multiple formats including currency and ordinal forms.
Key Features
Instant Conversion
Convert any number to words instantly as you type. Real-time processing ensures immediate results without delays.
Multiple Formats
Choose from standard, currency, ordinal, and title case formats to match your specific needs and use cases.
Large Number Support
Handle numbers up to quadrillions with perfect accuracy. Ideal for financial, scientific, and educational applications.
Related Number Tools Tools
Number Pattern Completer
Detect patterns in number sequences and predict next terms. Analyze arithmetic, geometric, Fibonacci, polynomial, and other mathematical sequences with AI-powered pattern recognition.
Number Range Generator
Generate number sequences with custom ranges, steps, and filters. Perfect for programming, mathematics, testing, and data analysis. Support for various output formats.
Number Reverser
Reverse the digits of any number instantly. Check for palindromes, analyze number properties, and explore the mathematical beauty of reversed numbers.
Number Sequence Pattern Detector - Find Mathematical Patterns Online
Detect patterns in number sequences automatically. Identify arithmetic, geometric, Fibonacci, prime, and other mathematical sequences. Free online pattern recognition tool.
Number Sorter - Sort Numbers Online
Sort numbers in ascending or descending order online. Supports multiple delimiters, provides statistics, and handles decimal numbers. Free number sorting tool with instant results.
Octal to Decimal Converter - Convert Base 8 to Base 10 Online
Convert octal numbers to decimal and vice versa instantly. Perfect for computer science, Unix permissions, and digital systems. Free online octal-decimal converter.
Outlier Detector
Detect outliers in your dataset using IQR method and Z-score analysis. Identify anomalies, extreme values, and data quality issues with our comprehensive statistical outlier detection tool.
Percentage Calculator - Calculate Percentages, Tips, Discounts & More
Calculate percentages, percentage changes, tips, discounts, and solve percentage problems. Features multiple calculation modes for business and everyday use.
Permutations Calculator - Calculate nPr, Arrangements & Ordering Problems
Free online permutations calculator for nPr calculations, arrangements, and ordering problems. Calculate permutations with or without repetition, factorial calculations, and real-world applications.
Powers & Exponents Calculator
Calculate powers, find unknown bases or exponents with detailed step-by-step explanations. Perfect for algebra, science, and engineering calculations.