What is 18 in Roman Numerals?
The number 18 in Roman numerals is written as XVIII. Learn the step-by-step additive and subtractive Roman numeral breakdown.
Exact Answer
18 = XVIII
Roman Numeral
XVIII
Arabic Number
18
Previous (17)
XVII
Next (19)
XIX
Step-by-Step Solution: 18 = XVIII
Step 1
Match Place Values to Roman Numeral Symbols
Break 18 down using standard Roman values (M=1000, CM=900, D=500, CD=400, C=100, XC=90, L=50, XL=40, X=10, IX=9, V=5, IV=4, I=1) to form XVIII.
18 = XVIII
Summary & Alternative Representations
| Property / Format | Value |
|---|---|
| Roman Numeral | XVIII |
| Arabic Number | 18 |
| Previous (17) | XVII |
| Next (19) | XIX |
Was this solution helpful?
Help us improve our free step-by-step tools
Frequently Asked Questions
How do you write 18 in Roman numerals?
18 in Roman numerals is XVIII.