Number → Words
Convert a number to its English-word form. Handles integers, decimals, and negative numbers up to quadrillions.
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About Number → Words
Converts a numeric value into its English-word equivalent — useful for writing checks, formal documents, voiceover scripts, or any context where numbers should be spelled out. Supports integers, decimals (with 'point' notation), and negative numbers up to a quadrillion.
When to use it
- Writing the amount on a check
- Producing formal documents that spell out figures
- Generating voice-over scripts where numbers must be spoken
- Educational exercises around numeracy
How it works
The integer portion is broken into chunks of three digits, each converted to words, and joined with scale names (thousand, million, billion, etc.). The fractional portion is read digit by digit after 'point'.
Examples
123
one hundred twenty-three
1,234,567
one million two hundred thirty-four thousand five hundred sixty-seven
-3.14
negative three point one four
Frequently asked questions
- What's the largest number supported?
- Up to one quadrillion (10^15). For larger numbers, the scale name (quintillion, etc.) would need to be added.
- How are decimals read?
- Digit by digit after 'point'. 3.14 → 'three point one four', not 'three and fourteen hundredths'.