320 in Words
How do you write 320 in words?
The number 320 is written three hundred twenty in words. As an ordinal it is three hundred twentieth, and on a check you would write Three hundred twenty and 00/100.
Last updated 24 August 2026
Other ways to write it
| Cardinal | three hundred twenty |
|---|---|
| Ordinal | three hundred twentieth |
| Currency | three hundred twenty dollars |
| Check format | Three hundred twenty and 00/100 |
How 320 is written
320 is the sum of its place values, 300 + 20, and is written three hundred twenty.
Its ordinal form is three hundred twentieth — only the final element takes the ordinal ending — and on a check the amount line reads "Three hundred twenty and 00/100", where 00/100 stands for zero cents.
British English inserts "and" before the last part, giving three hundred and twenty, where American English writes three hundred twenty without it.
For house-style rules on spelling out numbers, see the Chicago Manual of Style.
Facts about 320
- 320 is an even number.
- It is not a prime number.
- Digit sum: 5.
- Roman numerals: CCCXX.
- Binary: 101000000.
- Hexadecimal: 140.
| Digit | Place |
|---|---|
| 3 | hundreds |
| 2 | tens |
| 0 | ones |
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Frequently asked questions
How do you write 320 in words?
320 in words is "three hundred twenty".
How do you spell 320?
320 is spelled "three hundred twenty".
How do you write 320 on a check?
On a check, write "Three hundred twenty and 00/100".