Number to Words
Write numbers out in English words, as cardinals or ordinals. Converts standalone numbers inside a sentence, handles decimals with point, and supports values up to a trillion.
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What is Number to Words Converter?
The Number to Words converter rewrites numbers inside a sentence as English words. It handles cardinals such as twenty-one, ordinals such as twenty-first, and decimals read as point five. Standalone numbers are converted while the surrounding text is left untouched. Values up to a trillion are supported, and numbers attached to letters or other digits are skipped.
How does Number to Words Converter work?
The converter matches standalone digit sequences with a boundary check that skips numbers glued to letters, such as the 3 in MP3, and numbers carrying an ordinal suffix, such as 1st. It splits values into groups of three and names each group with ones, tens, and a scale word.
Ordinal mode converts the cardinal phrase and changes its final word, so twenty-one becomes twenty-first and one hundred becomes one hundredth. A decimal part is read digit by digit after the word point, and a leading minus sign becomes the word minus.
Key Features
- Cardinal words such as twenty-one
- Ordinal words such as twenty-first
- Decimals read as point five zero
- Negative values read with minus
- Values up to one trillion
- Leaves letters, punctuation, and the rest of the sentence alone
Common Use Cases
Writing a cheque amount
Convert a figure into the words that go on the long line of a cheque or a formal receipt.
Reading numbers in a script
Turn figures into spoken words before recording a voiceover, so the reader does not improvise.
Formatting a contract
Write an amount in words next to the numeral, which many agreements require for clarity.
Checking ordinal wording
Confirm that 21 becomes twenty-first and not twenty-oneth before publishing a list or ranking.
Preparing accessible text
Replace bare figures with words in a document that a screen reader should not split awkwardly.
How to Use This Tool
Paste the sentence
Enter text containing the numbers you want to expand, or paste a single figure.
Choose cardinal or ordinal
Cardinal writes twenty-one. Ordinal writes twenty-first.
Convert
Press Convert Numbers. Only standalone numbers are replaced.
Check the result
Read the output to confirm the scale words, then copy it from the header button.
Try another value
Press New, paste the next figure, and convert again.
Pro Tips
- 1
Numbers attached to letters are skipped, so a model name such as MP3 stays intact.
- 2
Ordinal suffixes are left alone, so 1st is not rewritten and does not become first.
- 3
Decimals are read digit by digit, which is why 1250.50 ends with point five zero.
- 4
Switch to ordinal mode for rankings, anniversaries, and numbered clauses.
- 5
Values longer than 15 digits are returned unchanged because they exceed the supported scale.
Frequently Asked Questions
How do I write a number in words?
Paste the figure into the converter and run it in cardinal mode. 1250 becomes one thousand two hundred fifty, with hyphens between tens and ones such as thirty-four.
What is the difference between cardinal and ordinal?
Cardinal numbers count quantity, such as three or twenty-one. Ordinal numbers show position, such as third or twenty-first.
How are decimal numbers read?
The whole part is written normally, then the word point, then each decimal digit separately. So 12.5 becomes twelve point five and 1250.50 becomes one thousand two hundred fifty point five zero.
Does it convert numbers inside a sentence?
Yes. Standalone numbers are replaced and the rest of the sentence is left as it was, including spacing and punctuation.
Why was a number left unchanged?
Numbers attached to letters, such as MP3, numbers with an ordinal suffix, such as 1st, and values longer than 15 digits are skipped on purpose.
How large a number can it convert?
The scale runs to trillions, so values up to 999,999,999,999 convert fully. Anything longer is returned as typed.