Roman Numeral Converter
Convert between Roman and Arabic numerals
Result
Roman Numeral
MMXXIV
Input
2024
Output
MMXXIV
Reference Chart
I
1
V
5
X
10
L
50
C
100
D
500
M
1000
MMXXIV
2024
Roman Numeral Rules
Subtractive Notation: IV=4, IX=9, XL=40, XC=90, CD=400, CM=900
Maximum Repetition: A symbol can repeat up to 3 times (III, XXX, CCC, MMM)
Never Repeat: V, L, D are never repeated
Range: Standard Roman numerals go from 1 to 3999
🔢 Bidirectional
Convert both ways.
📏 Valid Range
1 to 3999 supported.
📖 Reference
Quick lookup chart.