80 in Roman Numerals
Eighty is written LXXX in Roman numerals. You read it left to right, adding each glyph in turn: L for 50, X for 10, X for 10, X for 10.
How LXXX is formed
Reading left to right, 80 breaks into these additive parts. Each Roman symbol is added in turn to reach the total.
L + X + X + X = 50 + 10 + 10 + 10 = 80.
Where 80 in Roman numerals is used
- Outlines, exam questions and list items in formal documents.
- Monarch and pope names, for example the 80th of a royal line.
Convert another number
80 is written LXXX in Roman numerals.
Frequently asked questions
How do you write 80 in Roman numerals?
Write 80 as LXXX, combining L + X + X + X. Start from the largest value that fits and work down until nothing is left over.
How is LXXX broken down?
LXXX breaks down as L (50), X (10), X (10), X (10), so L + X + X + X = 50 + 10 + 10 + 10 = 80.
What number is LXXX?
LXXX is 80. Read the symbols left to right, treat any smaller-before-larger pair as a single subtraction, and add the groups together.
Is there a shorter way to write 80?
No. LXXX is the standard, canonical spelling. Each value has exactly one correct Roman form, so LXXX is the only valid way to write 80.