How to use
- 1
Type a number or a Roman numeral.
- 2
Or switch to date mode and pick a date and format.
- 3
Copy the result.
When to use it
Date tattoos
Turn a birthday or anniversary into a Roman numeral date in your chosen order.
Reading years
Decode years on buildings, film credits or Super Bowl numbers.
Homework
Check conversions in both directions.
Good to know
- Standard Roman numerals go up to 3,999 (MMMCMXCIX).
- Dates are often written M.D.Y with dots, e.g. XII.XXV.MMXXVI.
- Double-check before using a numeral for a tattoo or engraving.
FAQ
What is 2026 in Roman numerals?
MMXXVI.
Why is 4 IV and not IIII?
Subtractive notation is standard; IIII appears on some clocks.
Is there a zero?
No, Roman numerals have no zero.