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Convert Numbers to Words
Type a number and see it written out in English as you type: in plain words, as a currency amount, in check-writing format, and as an ordinal like "twenty-first." It handles decimals, negative numbers, and very large numbers, and it also works in reverse, so typing "one hundred twenty-three" gives you 123. Paste a list with one number per line to convert them all at once.
How to use it
- Type a number in the box on the left. Commas, a dollar sign, and a minus sign are all fine.
- Every written form appears on the right. Click any of them to copy it.
- Pick what Copy and Download should use with Write as, and choose a letter case.
- For a list, put one number per line. You'll get a table you can copy or download as a CSV file.
Writing amounts on a check
Choose Check amount to get the format used on US checks, where the cents are written as a fraction of 100:
| Amount | Written on the check |
|---|---|
| $1,234.56 | One thousand two hundred thirty-four and 56/100 dollars |
| $1,500.00 | One thousand five hundred and 00/100 dollars |
| $45.07 | Forty-five and 07/100 dollars |
Writing out the amount makes a check harder to alter, and the written amount is the one that counts if it doesn't match the numbers. Draw a line through any empty space after the words.
Currency amounts
Currency mode writes the amount with its unit, like "one thousand two hundred thirty-four dollars and fifty-six cents." It supports US, Canadian, and Australian dollars, euros, British pounds, Indian rupees, Mexican pesos, and Japanese yen. Amounts are rounded to the nearest cent, or to whole yen. Under More options, you can end amounts with "only," as many invoices and cheques do, and use the British "and" after hundred.
Decimals
By default, decimals are read digit by digit after the word "point," so 3.14 becomes "three point one four." You can switch to fractions instead, so 2.5 becomes "two and five tenths" and 0.75 becomes "seventy-five hundredths."
Ordinal numbers
Ordinals describe position, like first, second, and third. Choose Ordinal to write 21 as "twenty-first" or 100 as "one hundredth." The short form is shown too, like 21st, 22nd, 23rd, and 24th. Numbers ending in 11, 12, and 13 always use "th," so it's 111th, 112th, and 113th.
Words to numbers
Type a number in words and you'll get the digits back. Hyphens and "and" are optional, so "one hundred and twenty-three" and "one hundred twenty three" both give 123. It also understands "a hundred," decimals like "two point five," negatives, and ordinals like "twenty-first."
Large numbers
Numbers are converted digit by digit, so even very long numbers come out exactly, up to the vigintillions, which is 1063. The converter uses the short scale, which is standard in the US and most English-speaking countries:
| Name | Number | Zeros |
|---|---|---|
| Thousand | 1,000 | 3 |
| Million | 1,000,000 | 6 |
| Billion | 1,000,000,000 | 9 |
| Trillion | 1,000,000,000,000 | 12 |
| Quadrillion | 1,000,000,000,000,000 | 15 |
| Quintillion | 1,000,000,000,000,000,000 | 18 |
Frequently asked questions
Should I write "one hundred and five" or "one hundred five"?
Both are correct. American English usually leaves out the "and," while British English includes it. Turn on Use "and" after hundred under More options for the British style.
Are numbers like twenty-one hyphenated?
Yes. Style guides hyphenate the numbers from twenty-one to ninety-nine when they're written as words, and the converter does too.
Can I convert a whole list of numbers?
Yes. Paste one number per line, or load a text or CSV file. Download gives you a CSV with each number next to its words.
Is my data private?
Yes. Everything is converted in your browser, so amounts from invoices or contracts never leave your device.