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Roman Numeral Converter

Have you found a Roman number like MCMLXIX and wondered what year it is? Do you want to know how to write the Roman number 4 or your birth year in Roman numerals? Use our Roman numeral converter for easy conversion of Roman numerals.

How to Convert to or from Roman Numerals

Enter any number between 1 and 3999 into the field labeled Arabic number. The calculator will convert the number into a Roman numeral.

You can also enter Roman numerals (letters M, D, C, L, X, V, and I) into the field labeled Roman number. The calculator will convert it into an Arabic number.

What Are Roman Numerals?

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