Roman Numeral Converter
Arabic ↔ Roman • Step-by-step • Large numbers • Reference table
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Quick:
📚 Roman numeral symbols
I
1
IV
4
V
5
IX
9
X
10
XL
40
L
50
XC
90
C
100
CD
400
D
500
CM
900
M
1,000
M̄
5,000
X̄
10,000
L̄
50,000
C̄
100,000
D̄
500,000
M̄
1,000,000
Common numbers (1–20 & milestones)