10 in Roman numerals
X
The number 10 is written X in Roman numerals.
How X breaks down
| Symbols | Value |
|---|---|
X | 10 |
X | 10 |
Every symbol here is written in descending order and simply added together — no subtractive pairs are involved.
Nearby numbers
| Number | Roman numeral |
|---|---|
| 5 | V |
| 6 | VI |
| 7 | VII |
| 8 | VIII |
| 9 | IX |
| 10 | X |
| 11 | XI |
| 12 | XII |
| 13 | XIII |
| 14 | XIV |
| 15 | XV |
The seven symbols
I | 1 | C | 100 |
V | 5 | D | 500 |
X | 10 | M | 1,000 |
L | 50 |
10 in other notations
| Roman | X |
| Binary | 1010 |
| Hexadecimal | A |
| Octal | 12 |
| Written out | ten |
Writing it by hand
Work down through the symbol values, taking as many of each as will fit before moving to the next. For 10:
X = 10 remaining: 0The result reads X — 1 character, against 2 digits in Arabic numerals.
Frequently asked questions
What is 10 in Roman numerals?
X
How do you read X?
Work left to right, adding each symbol — except where a smaller symbol precedes a larger one, in which case it is subtracted. X is 10.
How do you write 10 in words?
ten.
Why is there no zero?
Roman numerals have no symbol for zero. The concept reached Europe only with Hindu-Arabic numerals, centuries after the system was in use — which is a large part of why it was eventually replaced for arithmetic.