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Roman Numeral Converter
Convert between Roman numerals and standard numbers. Supports numbers 1–3,999. Includes Roman numeral rules and chart.
Enter a value in any field — all others update instantly.
Binary (Base 2)
Decimal (Base 10)
Hexadecimal (Base 16)
Octal (Base 8)
8-bit Representation
1
1
1
1
1
1
1
1
128
64
32
16
8
4
2
1
How to Use the Roman Numeral Converter
Enter your values above for an instant result. This tool uses verified formulas and is optimised for users in USA, Canada, UK, Australia. All calculations happen in your browser — your data is never sent to our servers.
Frequently Asked Questions
What is 2024 in Roman numerals?
2024 in Roman numerals is MMXXIV. M=1000, M=1000, X=10, X=10, IV=4. So 1000+1000+10+10+4 = 2024.