The number 80 is written in Roman numerals like this: LXXX
LXXX = 80
80 has only one part, so it is written directly as LXXX.
Going the other way? See the Roman numeral LXXX.
79 in Roman numerals: LXXIX
81 in Roman numerals: LXXXI
Calculate the conversion of any number and its equivalent in Roman numerals with our Roman numerals converter.