80 in Roman Numerals
80 written in Roman numeralsLXXX
80 = LXXX. Read left to right: L (50) + XXX (30) = 80.
Going the other way, the Roman numeral LXXX equals the number 80.
How to write 80 in Roman numerals
- Tens: 80 is LXXX.
LXXX uses only additive notation: every symbol is the same size or smaller than the one before it, so you simply add them up.
80 is an even number and written with 4 symbols in Roman numerals.
Where you might see LXXX
- Book chapters, outlines, movie sequels and royal names use numerals like LXXX for the number 80.
Multiples of LXXX
| Sum | Number | Roman numeral |
|---|---|---|
| 80 × 2 | 160 | CLX |
| 80 × 3 | 240 | CCXL |
| 80 × 5 | 400 | CD |
| 80 × 10 | 800 | DCCC |
Numerals near LXXX
| Number | Roman numeral |
|---|---|
| 75 | LXXV |
| 76 | LXXVI |
| 77 | LXXVII |
| 78 | LXXVIII |
| 79 | LXXIX |
| 80 | LXXX |
| 81 | LXXXI |
| 82 | LXXXII |
| 83 | LXXXIII |
| 84 | LXXXIV |
| 85 | LXXXV |
Questions
How do you write 80 in Roman numerals?
80 is written LXXX.
What number is LXXX?
LXXX is 80.