Roman Numeral Converter
Convert between Roman numerals (I, V, X, L, C, D, M) and decimal numbers (1-3999).
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Quick Reference
1 = I
5 = V
10 = X
50 = L
100 = C
500 = D
1000 = M
4 = IV
9 = IX
40 = XL
90 = XC
400 = CD
900 = CM