4 in Words
How do you write 4 in words?
The number 4 is written four in words. As an ordinal it is fourth, and on a check you would write Four and 00/100.
Last updated 19 June 2026
Other ways to write it
| Cardinal | four |
|---|---|
| Ordinal | fourth |
| Currency | four dollars |
| Check format | Four and 00/100 |
How number-to-words spelling works
A cardinal number names a quantity (four), while an ordinal names a position (fourth). 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 4
- 4 is an even number.
- It is not a prime number.
- Digit sum: 4.
- Roman numerals: IV.
- Binary: 100.
- Hexadecimal: 4.
| Digit | Place |
|---|---|
| 4 | ones |
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Frequently asked questions
How do you write 4 in words?
4 in words is "four".
How do you spell 4?
4 is spelled "four".
How do you write 4 on a check?
On a check, write "Four and 00/100".