Date to Roman numerals converter
Pick the date, the order and a separator to get a Roman numeral date ready for an engraving, tattoo or invitation.
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How to use it
- Enter date, order and separator.
- The result appears straight away and updates as you edit.
- Copy the result, or copy a link that keeps the same values to share it.
How it is calculated
Day, month and year are each converted to a Roman numeral (30 = XXX, 9 = IX, 2026 = MMXXVI), then placed in the chosen order with the separator between them.
Example
Inputs: Date = 2026-09-30, Order = Day, month, year, Separator = Dot (.). Result: Date in Roman numerals: XXX.IX.MMXXVI; Day: XXX = 30; Month: IX = 9.
Limits and caveats
- The year is written in full (MMXXVI) and not shortened to two digits, since years like 2000 would end in a zero that Roman numerals cannot show.
- Check the order before engraving: US order puts the month first.
Questions about this tool
How do I write my wedding date in Roman numerals?
Pick the date and order. For example, 30 September 2026 becomes XXX.IX.MMXXVI in day-month-year order.
Which order should I choose for a tattoo?
Use the order you normally read dates in: day then month in most of the world, month then day in the US.
Is the dot the correct separator?
There is no Roman rule for separators; dots and bullets are the most common in engravings.