The number 2003 is written in Roman numerals like this: MMIII
MMIII = 2003
Split the number by place value and write each part in Roman numerals:
Put the parts together: MM + III = MMIII.
As a year, 2003 is written MMIII. You often see dates like this in film credits, on buildings and on monuments.
Going the other way? See the Roman numeral MMIII.
2002 in Roman numerals: MMII
2004 in Roman numerals: MMIV
Calculate the conversion of any number and its equivalent in Roman numerals with our Roman numerals converter.