918 in Roman Numerals
Decomposition
900 + 10 + 8
CM + X + VIII
CMXVIII
Symbol breakdown
| Token | Value | Notation |
|---|---|---|
| CM | 900 | Subtractive — 1000 − 100 = 900 |
| X | 10 | Additive — X = 10 |
| V | 5 | Additive — V = 5 |
| I | 1 | Additive — I = 1 |
| I | 1 | Additive — I = 1 |
| I | 1 | Additive — I = 1 |
Therefore: 900 + 10 + 8 = 918
Subtractive pairs
918 contains 1 standard subtractive pair:
- CM = 900 (1000 − 100 = 900)
Standard subtractive forms are IV, IX, XL, XC, CD, and CM. See subtraction rules.
Neighboring values
| Number | Roman numeral |
|---|---|
| 914 | CMXIV |
| 915 | CMXV |
| 916 | CMXVI |
| 917 | CMXVII |
| 918 | CMXVIII |
| 919 | CMXIX |
| 920 | CMXX |
| 921 | CMXXI |
| 922 | CMXXII |
Related round numbers
4 · IV
9 · IX
40 · XL
49 · XLIX
90 · XC
99 · XCIX
400 · CD
500 · D
800 · DCCC
900 · CM
910 · CMX
920 · CMXX
Related chart: Roman numerals 1–1000 · Interactive chart tool
Common questions about 918
What is 918 in Roman numerals?
918 in Roman numerals is CMXVIII.
How do you write 918 in Roman numerals?
Write 918 as CMXVIII using the subtractive pairs shown on this page.
Is CMXVIII the correct Roman numeral for 918?
Yes. CMXVIII is the canonical standard Roman numeral for 918 in the 1–3999 range.
What number is CMXVIII?
CMXVIII equals 918.
Link to this reference
Teachers and writers are welcome to link to this page.
https://roman-numerals.net/numbers/918-in-roman-numerals/