Roman Numeral Converter
Convert between integers and Roman numerals (1-3999) with live bidirectional conversion.
Integer to Roman Numeral
Integer (1-3999)
Roman Numeral
MMXXIV
Roman Numeral to Integer
Roman Numeral
Integer
2024
Conversion Rules Reference
M1000
CM900
D500
CD400
C100
XC90
L50
XL40
X10
IX9
V5
IV4
I1
Subtractive notation: IV=4, IX=9, XL=40, XC=90, CD=400, CM=900. Valid range: 1-3999.
Related tools
Base ConverterConverter
Convert between binary, decimal, and hex.
Number Base ConverterConverter
Convert numbers between any bases (2-64) with step-by-step explanations.
Number to WordsConverter
Convert numbers up to quintillions to English words.
JSON → CSVConverter
Convert JSON arrays to CSV locally.
CSV → JSONConverter
Convert CSV to JSON locally in your browser.
JSON to YAML ConverterConverter
Convert JSON to YAML with configurable indentation.