Roman Numeral Converter
XIV ↔ 14
Instantly convert Roman numerals to numbers — or numbers to Roman numerals. Free, No Login and clean.
Roman Numeral
Number
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Breakdown
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Roman Numeral Reference
Key Rules
Symbols are added left to right: VIII = 8
A smaller symbol before a larger one subtracts: IV = 4, IX = 9
Only I, X, C, M can repeat — max 3 times in a row
V, L, D are never repeated or subtracted from
Standard range: 1 (I) to 3999 (MMMCMXCIX)
Subtractive pairs: IV, IX, XL, XC, CD, CM only