Roman and Arabic Numerals Converter

Convert Roman numbers to Arabic and visa versa. For example, X = 10

Enter numerals in one of the fields and you will see result in another:


Arabic and Roman Numerals
1 I unus, unum
5 V quinque
10 X decem
50 L quinquaginta
100 C centum
500 D quingenti
1000 M mille