M
MJJ Tools

Roman Numeral Converter.title

Roman Numeral Converter.description

123CXXIIIRoman Numeral Converter.numberToRoman
MCMXC1990Roman Numeral Converter.romanToNumber
Roman Numeral Converter.quickActions
Roman Numeral Converter.romanNumerals

Roman Numeral Converter.basicSymbols

I1
V5
X10
L50
C100
D500
M1000

Roman Numeral Converter.subtractionRules

IV4 (5-1)
IX9 (10-1)
XL40 (50-10)
XC90 (100-10)
CD400 (500-100)
CM900 (1000-100)
Roman Numeral Converter.rulesAndExamples

Roman Numeral Converter.conversionRules

  • Roman Numeral Converter.rule1
  • Roman Numeral Converter.rule2
  • Roman Numeral Converter.rule3
  • Roman Numeral Converter.rule4

Roman Numeral Converter.commonExamples

XIV14
LXVI66
CDXLIV444
MMXXI2021
MMMCMXCIX3999