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Roman Numeral Converter
Bidirectional converter between decimal and Roman numerals.
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Bidirectional Conversion
Convert decimal values to Roman numerals or vice versa in real-time.
Decimal Number (1 - 3999)
Roman Numeral
Clear Inputs
Roman Numerals Cheat Sheet
Basic Symbols
I
1
V
5
X
10
L
50
C
100
D
500
M
1000
Subtractive Pairs
IV
4
IX
9
XL
40
XC
90
CD
400
CM
900