The number 1804 is written in Roman numerals like this: MDCCCIV
MDCCCIV = 1804
Split the number by place value and write each part in Roman numerals:
Put the parts together: M + DCCC + IV = MDCCCIV.
When a smaller symbol comes before a larger one, it is subtracted.
As a year, 1804 is written MDCCCIV. You often see dates like this in film credits, on buildings and on monuments.
Going the other way? See the Roman numeral MDCCCIV.
1803 in Roman numerals: MDCCCIII
1805 in Roman numerals: MDCCCV
Calculate the conversion of any number and its equivalent in Roman numerals with our Roman numerals converter.