The number 520 is written in Roman numerals like this: DXX
DXX = 520
Split the number by place value and write each part in Roman numerals:
Put the parts together: D + XX = DXX.
Going the other way? See the Roman numeral DXX.
519 in Roman numerals: DXIX
521 in Roman numerals: DXXI
Calculate the conversion of any number and its equivalent in Roman numerals with our Roman numerals converter.