2009 = MMIX
The year 2009 is written MMIX in Roman numerals. On a building cornerstone or film credit you may see it as MMIX.
Split 2009 into 2000 + 9 and write each part: MM (2000) + IX (9) = MMIX.
MMIX uses subtraction: IX = 9. A smaller symbol before a larger one is subtracted.
| Symbol | I | V | X | L | C | D | M |
|---|---|---|---|---|---|---|---|
| Value | 1 | 5 | 10 | 50 | 100 | 500 | 1,000 |
Need another number? Use the Roman numeral converter (both directions).
| Number | Roman numeral |
|---|---|
| 2005 | MMV |
| 2006 | MMVI |
| 2007 | MMVII |
| 2008 | MMVIII |
| 2010 | MMX |
| 2011 | MMXI |
| 2012 | MMXII |
| 2013 | MMXIII |