Roman Numeral Date Converter
Convert dates to Roman numerals (e.g. VIII·V·MMXXVI) and back.
Two-way converter between Gregorian dates and Roman numeral dates. Useful for tattoos, monuments, plaques and stylised credits. Validates Roman numeral form on the reverse direction.
Common use cases
- Pick a Roman-numeral date for a tattoo or wedding band engraving
- Decode the date stamp on a building or monument
- Style movie credits or book copyrights in Roman numerals
- Teach Roman numerals using familiar dates
Frequently asked questions
What's the format used?▾
Day · Month · Year, with each component as a Roman numeral (e.g. VIII·V·MMXXVI for 8 May 2026). You can use ·, dots, dashes, slashes or spaces as separators on input.
What's the maximum year supported?▾
Up to MMMCMXCIX (3999) — standard Roman numerals don't go higher without overlines.
Is the validation strict?▾
Yes — we use a strict regex (no "IIII" for 4) so only well-formed Roman numerals are accepted on input.
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