18 in Roman Numerals
18 = XVIII
18 written in Roman numerals is XVIII.
How 18 breaks down
Roman numerals are additive from left to right (with subtractive pairs like IV=4 and CM=900). XVIII decomposes as: X = 10 + V = 5 + I = 1 + I = 1 + I = 1 = 18.
Nearby numbers
| Number | Roman numeral |
|---|---|
| 14 | XIV |
| 15 | XV |
| 16 | XVI |
| 17 | XVII |
| 18 | XVIII |
| 19 | XIX |
| 20 | XX |
| 21 | XXI |
| 22 | XXII |
Related
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