84 = LXXXIV
84 in Roman numerals is LXXXIV.
Eighty-four written with the letters L X X X I V.
84 in words: Eighty-four
Eighty-four in Roman numerals is LXXXIV. You build it in three moves: L for fifty, XXX for thirty, then IV for four, written left to right and largest first. The only place it catches people is that ending, IV, where four is one-before-five rather than four ones (IIII).
LXXXIV is one of the most looked-up numerals in the eighties, and it is nearly always someone checking a value before it becomes permanent: a date on a plaque, a chapter heading, or a numeral about to be inked. Get the IV right and the rest is a plain sum, which is exactly what the converter above confirms in one step.
How 84 breaks down
Reading LXXXIV from left to right, each group is added together to reach 84:
| Group | Value | Place |
|---|---|---|
| LXXX | 80 | tens |
| IV | 4 | ones |
| LXXXIV | 84 | total |
Frequently asked questions
What is 84 in Roman numerals?
84 in Roman numerals is LXXXIV.
How do you write 84 in words?
84 is written "Eighty-four" in English.
What number comes before LXXXIV?
The number before LXXXIV is 83, written LXXXIII in Roman numerals.
What number comes after LXXXIV?
The number after LXXXIV is 85, written LXXXV in Roman numerals.
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Last updated July 22, 2026. Reviewed for accuracy against the standard rules for Roman numerals.