300 in Words
How do you write 300 in words?
The number 300 is written three hundred in words. As an ordinal it is three hundredth, and on a check you would write Three hundred and 00/100.
Last updated 19 June 2026
Other ways to write it
| Cardinal | three hundred |
|---|---|
| Ordinal | three hundredth |
| Currency | three hundred dollars |
| Check format | Three hundred and 00/100 |
How number-to-words spelling works
A cardinal number names a quantity (three hundred), while an ordinal names a position (three hundredth). English hyphenates compound numbers from twenty-one to ninety-nine and groups digits into thousands, millions, and billions.
For house-style rules on spelling out numbers, see the Chicago Manual of Style, or read our guide to spelling numbers in words.
Facts about 300
- 300 is an even number.
- It is not a prime number.
- Digit sum: 3.
- Roman numerals: CCC.
- Binary: 100101100.
- Hexadecimal: 12C.
| Digit | Place |
|---|---|
| 3 | hundreds |
| 0 | tens |
| 0 | ones |
Try another number
Enter a number above and let the digits reveal your destiny!
Frequently asked questions
How do you write 300 in words?
300 in words is "three hundred".
How do you spell 300?
300 is spelled "three hundred".
How do you write 300 on a check?
On a check, write "Three hundred and 00/100".