11 in Roman numerals
11 in Roman numerals
XI
11 is written XI in Roman numerals. That is 2 symbol groups added together, reading left to right from the largest value down.
How it breaks down
| Group | Value | Subtraction | Running total |
|---|---|---|---|
| X | 10 | — | 10 |
| I | 1 | — | 11 |
No subtraction needed
XI is purely additive — every symbol is simply added to the one before it, with no subtractive pairs like IV or IX. Numbers avoid subtraction when none of their digits is a 4 or a 9.
The symbols
| Symbol | Value | Used here |
|---|---|---|
| I | 1 | yes — 1× |
| V | 5 | no |
| X | 10 | yes — 1× |
| L | 50 | no |
| C | 100 | no |
| D | 500 | no |
| M | 1,000 | no |
The same number, other ways
- In words
- Eleven
- Roman numeral
- XI
- Symbol count
- 2 characters
- Binary
- 1011
- Hexadecimal
- B
The numbers either side
| Number | Roman numeral |
|---|---|
| 9 | IX |
| 10 | X |
| 11 | XI ← |
| 12 | XII |
| 13 | XIII |
Common questions
- What is 11 in Roman numerals?
- 11 is XI.
- What does XI mean?
- XI is the Roman numeral for 11 — 10 + 1.
- How do you write 11 in Roman numerals?
- Take the largest value that fits and repeat until nothing is left: X (10), then I (1). That gives XI.
Related pages
Sources
- Calculated on this page — At One Place