Number to Words

About This Tool

The Number to Words Converter translates any integer or decimal number into its full English word representation. It handles negative numbers, decimal fractions (decimal digits are spelled out individually after "point"), and integers up to 999 quadrillion. The output is capitalized and uses hyphens for compound tens (e.g., twenty-three).

Numbers are converted using the short scale (used in the United States, UK, and most English-speaking countries): thousand, million, billion, trillion, quadrillion.

How to Use

1. Type a number into the input field, or click one of the sample buttons.
2. The word representation appears instantly below.
3. Click Copy to copy the words to your clipboard.

Use Cases

Finance professionals convert amounts to words for checks and legal documents where the written-out amount is required alongside the numeric figure. Developers implement number-to-words for automated report generation or invoice systems. Educators create math worksheets showing both numeral and word form. Writers spell out numbers in formal writing where style guides require words for certain ranges.

FAQ

• What scale does this use? — Short scale (US/UK English): billion = 10⁹, trillion = 10¹², quadrillion = 10¹⁵.
• How are decimals handled? — Each decimal digit is spelled out individually after "point" (e.g., 3.14 = "Three point one four"). This matches how decimals are spoken aloud in English.
• What is the maximum number? — Up to 999 quadrillion (999,999,999,999,999,999). Numbers beyond this are rejected. For larger numbers, contact us.
• Does it support other languages? — Currently English only. Multi-language number-to-words is planned for future tools.