Roman Numeral Converter - Convert Arabic to Roman Numerals

Ⅰ Roman Numeral Converter

Roman numeral converter. Convert between Roman numerals and Arabic numerals with bidirectional conversion support.

Arabic Numerals → Roman Numerals

Input Number

Roman Numerals -

Roman Numerals → Arabic Numerals

Input Roman Numerals

Arabic Numerals -

💡 Instructions:
• Supports number range: 1-3999
• Roman numeral characters: I(1), V(5), X(10), L(50), C(100), D(500), M(1000)
• Supports standard Roman numeral format, such as XLII (42), MCMLXXXIV (1984)
• Click copy button to quickly copy corresponding results

About Roman Numeral Conversion

Our Roman numeral converter is a comprehensive tool for converting between Arabic numerals and Roman numerals. This Roman numeral calculator supports bidirectional conversion, allowing you to convert numbers from 1 to 3999 in both directions.

Why use our Roman numeral converter? Roman numerals are still used today in various contexts including clock faces, book chapters, movie release years, and historical references. This tool makes it easy to convert Arabic to Roman numerals and vice versa, with support for standard Roman numeral format validation.

Perfect for students, historians, educators, and anyone who needs to work with Roman numerals. Our online Roman numeral converter provides instant, accurate conversions with a clean, user-friendly interface. Whether you need to convert a single number or multiple values, this tool handles it all efficiently.