The Roman numeral MMIX corresponds to the Arabic number 2009.
MMIX = 2009
Symbols are written and read from left to right, from highest to lowest.
How to read MMIX, one group of symbols at a time:
Adding them up: 2000 + 9 = 2009.
When a smaller symbol comes before a larger one, it is subtracted.
As a year, 2009 is written MMIX. You often see dates like this in film credits, on buildings and on monuments.
See how to write 2009 in Roman numerals.
If the numeral MMIX appears in a text or sentence, it is read as its Arabic equivalent, in this case 2009.
MMVIII is number 2008
MMX is number 2010
Calculate the conversion of any number and its equivalent in Roman numerals with our Roman numerals converter.