Words to Numbers Converter
Convert number words (one, two, three) to digits (1, 2, 3) and digits to words. Handles large numbers and decimals.
About the Words to Numbers Converter
Convert one English number expression to digits, or one nonnegative numeric value to words. For example, twenty-one becomes 21, one thousand five hundred becomes 1500, and 1.01 becomes one point zero one. The tool recognizes a single expression in the input, not numbers embedded in a paragraph or a batch of separate values. It supports integer values through 999,999,999,999 and decimal digits after point. Unknown words produce an error instead of being silently ignored.
Features
- Convert words to digits (e.g., "twenty-three" → 23)
- Convert digits to words (e.g., 456 → "four hundred fifty-six")
- Supports numbers from 0 to 999,999,999,999
- Handles decimal numbers
- Auto-detects input type (words or digits)
- Copy result to clipboard
- 100% private — browser-only processing
How to use this tool
The Words to Numbers Converter works right in your browser — no signup, no installation. Follow these steps:
- Type number words ("one hundred") or digits ("100") in the input area.
- The tool auto-detects which direction to convert.
- The result appears instantly.
- Click Copy to save the converted value.
Frequently asked questions
Can I convert a whole paragraph or a list?
No. Enter one number expression at a time. General sentences and multiple independent numbers are not supported.
How are decimal digits written?
Write digits individually after point, such as one point zero one for 1.01.
Are negative numbers supported?
No. Use a nonnegative value with an integer part no greater than 999,999,999,999.
Using the results
Use the Words to Numbers Converter to transform supported text or data formats in your browser. Review the output before replacing your original, since some conversions change formatting or discard information.