Number to Words Converter

Convert numeric values to their word representation in multiple formats

Tip: Enter any number (up to 303 digits) to convert it to words. Supports decimals, negatives, and currencies.

Enter Your Number

About Number to Words Conversion

Why Convert Numbers to Words?

Writing numbers in words is essential for legal documents, checks, and formal writing to prevent fraud and misinterpretation. It adds clarity and precision to financial transactions and official records.

Number Naming Conventions

Different languages and regions have varying conventions for number words. For example, US English says "one hundred one" while British English often says "one hundred and one." Our converter supports these variations.

Examples of Number Conversions

NumberIn Words (English)
7Seven
42Forty-two
1,234One thousand two hundred thirty-four
12.34Twelve and thirty-four hundredths
-1,000,000Negative one million
$123.45One hundred twenty-three dollars and forty-five cents

How Numbers Are Converted to Words

The Conversion Process

  1. Parse the number:

    The number is divided into integer and decimal parts. Negative signs are noted for later inclusion.

  2. Break into groups:

    The integer part is split into groups of three digits (units, thousands, millions, etc.).

  3. Convert each group:

    Each three-digit group is converted to words (e.g., 123 becomes "one hundred twenty-three").

  4. Add place labels:

    The appropriate scale word (thousand, million, etc.) is added after each group.

  5. Handle decimals:

    Decimal parts are converted similarly, with the denominator based on decimal places (tenths, hundredths, etc.).

Special Cases

  1. Zero:

    Handled as a special case (always returns "zero").

  2. Teens (11-19):

    These have unique names (eleven, twelve, etc.) rather than following the regular pattern.

  3. Tens (20-90):

    Each has a distinct name (twenty, thirty, etc.) that combines with units (twenty-one, thirty-two).

  4. British vs. American English:

    British English typically includes "and" before the tens/units (e.g., "one hundred and one").

Frequently Asked Questions

What is the largest number this converter can handle?

Our converter can handle numbers up to 303 digits long (centillion in the short scale). In practice, this covers all numbers you're likely to encounter in financial, mathematical, or everyday contexts.

How are decimal numbers converted to words?

Decimal numbers are split into integer and fractional parts. The fractional part is converted as a numerator with the denominator being 10, 100, 1000, etc. based on decimal places (e.g., 0.75 becomes "seventy-five hundredths").

Can I convert currency amounts?

Yes! Select a currency type from the dropdown menu, and the converter will format the result appropriately (e.g., "$123.45" becomes "one hundred twenty-three dollars and forty-five cents"). You can also specify a custom currency name.

Why are there different results for British and American English?

British English typically includes the word "and" before the tens/units (e.g., "one hundred and one"), while American English omits it ("one hundred one"). This converter supports both styles through the "Use And" checkbox in advanced options.

How accurate is the conversion for non-English languages?

Our non-English conversions follow standard naming conventions for each language. However, some languages may have regional variations that aren't all covered. The English conversion is the most comprehensive, with other languages supporting basic number conversion.