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Roman Numeral Converter
Precision conversion between modern Arabic numbers and ancient Roman symbols.
MMXXIV
"Two thousand twenty four"
Basic Symbols
I1
V5
X10
L50
C100
D500
M1000
Famous Years
Fall of Rome
CDLXXVI476 AD
Magna Carta Signed
MCCXV1215 AD
Apollo 11 Moon Landing
MCMLXIX1969 AD
Roman Numeral Rules
- 01
Values are added when a smaller or equal symbol follows a larger one (e.g., VI = 5 + 1 = 6).
- 02
A smaller symbol before a larger one is subtracted (e.g., IV = 5 - 1 = 4). This only applies to specific pairs like IV, IX, XL, XC, CD, CM.
- 03
Symbols cannot be repeated more than three times in a row. For example, 4 is IV, not IIII.