680 in Words
How do you write 680 in words?
The number 680 is written six hundred eighty in words. As an ordinal it is six hundred eightieth, and on a check you would write Six hundred eighty and 00/100.
Last updated 24 August 2026
Other ways to write it
| Cardinal | six hundred eighty |
|---|---|
| Ordinal | six hundred eightieth |
| Currency | six hundred eighty dollars |
| Check format | Six hundred eighty and 00/100 |
How 680 is written
680 is the sum of its place values, 600 + 80, and is written six hundred eighty.
Its ordinal form is six hundred eightieth — only the final element takes the ordinal ending — and on a check the amount line reads "Six hundred eighty and 00/100", where 00/100 stands for zero cents.
British English inserts "and" before the last part, giving six hundred and eighty, where American English writes six hundred eighty without it.
For house-style rules on spelling out numbers, see the Chicago Manual of Style.
Facts about 680
- 680 is an even number.
- It is not a prime number.
- Digit sum: 14.
- Roman numerals: DCLXXX.
- Binary: 1010101000.
- Hexadecimal: 2A8.
| Digit | Place |
|---|---|
| 6 | hundreds |
| 8 | tens |
| 0 | ones |
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Frequently asked questions
How do you write 680 in words?
680 in words is "six hundred eighty".
How do you spell 680?
680 is spelled "six hundred eighty".
How do you write 680 on a check?
On a check, write "Six hundred eighty and 00/100".