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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