2011 = MMXI
2011 in Roman numerals is MMXI.
Two thousand eleven written with the letters M M X I.
2011 in words: Two thousand eleven
The year 2011 is written MMXI in Roman numerals. Reading it as MM (2000) + X (10) + I (1) shows how a modern date maps onto the ancient system, which is exactly why you still see numerals like this carved on cornerstones and stamped at the end of film credits.
Years are the most common real-world use of Roman numerals today. If you are engraving a plaque, dating a design or planning a tattoo, MMXI is the form you want, and the generator on this site can render it as a clean stencil.
How 2011 breaks down
Reading MMXI from left to right, each group is added together to reach 2011:
| Group | Value | Place |
|---|---|---|
| MM | 2000 | thousands |
| X | 10 | tens |
| I | 1 | ones |
| MMXI | 2011 | total |
Frequently asked questions
What is 2011 in Roman numerals?
2011 in Roman numerals is MMXI.
How do you write 2011 in words?
2011 is written "Two thousand eleven" in English.
What number comes before MMXI?
The number before MMXI is 2010, written MMX in Roman numerals.
What number comes after MMXI?
The number after MMXI is 2012, written MMXII in Roman numerals.
Related numbers
Last updated July 22, 2026. Reviewed for accuracy against the standard rules for Roman numerals.