80 = LXXX in Roman numerals. Each part of the number has its own symbol group, and the rules below explain them. Try the free converter for any number from 1 to 3999.
The Roman Numeral for 80
LXXX is a single block of symbols that equals 80.
Roman numerals also number book chapters, outlines, and the names of kings and popes.
Roman Numeral Converter
Breaking Down 80 in Roman Numerals
| Place | Value | Roman |
|---|---|---|
| Tens | 80 | LXXX |
| Total | 80 | LXXX |
Write the parts in order from largest to smallest to get LXXX.
How the Rules Apply to LXXX
| Symbol | I | V | X | L | C | D | M |
|---|---|---|---|---|---|---|---|
| Value | 1 | 5 | 10 | 50 | 100 | 500 | 1000 |
- Add symbols from largest to smallest: VI = 5 + 1.
- Repeat I, X, C or M up to three times: XXX = 30.
- Put a smaller symbol before a larger one to subtract: IV = 4, IX = 9.
LXXX has no subtractive pair, so you only add the symbols from left to right.
Numbers Near 80 in Roman Numerals
| Number | Roman numeral |
|---|---|
| 76 in Roman numerals | LXXVI |
| 77 in Roman numerals | LXXVII |
| 78 in Roman numerals | LXXVIII |
| 79 in Roman numerals | LXXIX |
| 81 in Roman numerals | LXXXI |
| 82 in Roman numerals | LXXXII |
| 83 in Roman numerals | LXXXIII |
| 84 in Roman numerals | LXXXIV |
See the full list in the Roman numerals chart.
80 in Roman Numerals: Common Questions
What is 80 in Roman numerals?
80 in Roman numerals is LXXX.
What is LXXX as a number?
LXXX equals 80.
How do you write 81 in Roman numerals?
81 in Roman numerals is LXXXI.
Is LXXX a valid Roman numeral?
Yes. LXXX follows the standard rules: symbols run from largest to smallest, and only valid subtractive pairs appear.
Key Takeaway
80 is LXXX. Split the number into thousands, hundreds, tens and ones, write each part, and join them in order.
