Number to Words
Convert any number to its English word representation, including decimals and negatives.
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.
Numbers are converted using the short scale (used in the United States, UK, and most English-speaking countries): thousand, million, billion, trillion, quadrillion. The output is capitalized and uses hyphens for compound tens (e.g., twenty-three).
How to Use
- Type a number into the input field, or click one of the sample buttons.
- The word representation appears instantly below.
- Click the copy button to copy the words to your clipboard.
- Use a minus sign for negatives and a decimal point for fractions.
Use Cases
Finance professionals convert amounts to words for checks and legal documents. Developers implement number-to-words for automated report generation or invoice systems. Educators create math worksheets showing both numeral and word form.
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").
- What is the maximum number? — Up to 999 quadrillion (999,999,999,999,999,999). Numbers beyond this are rejected.