Converters tool
Roman Numeral Converter
Convert integers to Roman numerals and common Roman numeral strings back to numbers.
Result
Your result will appear here.
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About the Roman Numeral Converter
Convert standard integers from 1 to 3999 to Roman numerals, or parse common standard Roman numeral forms.
How to use this tool
Enter an integer and choose Number → Roman, or enter a Roman numeral and choose Roman → Number.
Example
2026 converts to MMXXVI.
Tips for better results
Roman numerals have convention-dependent historical forms; this tool follows the common modern subtractive notation.
Frequently asked questions
What range is supported?
Integer values 1–3999.
Why is zero unsupported?
Standard Roman numerals do not have a conventional zero symbol.