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Roman Numeral Converter for Numbers 1 to 3999
Convert an integer to Roman numerals or enter a Roman numeral to find its value. Check standard notation for dates, chapter numbers and more.
Input and settings
LOCALMMXXIV
Getting started
Enter an integer or canonical Roman numeral.
Before you use the result
Noncanonical forms and zero are rejected.
Try an example
Convert 2024 to MMXXIV.
How it works
Greedy numeral symbols are round-trip checked for canonical form.
Frequently asked questions
Convert integers 1–3999 to Roman numerals and back.
How do I use Roman Numeral Converter?
Enter an integer or canonical Roman numeral.
Does this tool upload my data?
Inputs and files are processed in your browser. Page-view analytics do not contain your tool input.
What should I check before using the result?
Noncanonical forms and zero are rejected.