480 in Roman numerals
CDLXXX
The number 480 is written CDLXXX in Roman numerals.
How CDLXXX breaks down
| Symbols | Value |
|---|---|
CD | 400 |
L | 50 |
XXX | 3 × 10 = 30 |
CDLXXX | 480 |
This numeral uses the subtractive rule: a smaller symbol placed before a larger one is subtracted from it. Only six such pairs are legal — IV (4), IX (9), XL (40), XC (90), CD (400) and CM (900).
Nearby numbers
| Number | Roman numeral |
|---|---|
| 475 | CDLXXV |
| 476 | CDLXXVI |
| 477 | CDLXXVII |
| 478 | CDLXXVIII |
| 479 | CDLXXIX |
| 480 | CDLXXX |
| 481 | CDLXXXI |
| 482 | CDLXXXII |
| 483 | CDLXXXIII |
| 484 | CDLXXXIV |
| 485 | CDLXXXV |
The seven symbols
I | 1 | C | 100 |
V | 5 | D | 500 |
X | 10 | M | 1,000 |
L | 50 |
480 in other notations
| Roman | CDLXXX |
| Binary | 111100000 |
| Hexadecimal | 1E0 |
| Octal | 740 |
| Written out | four hundred and eighty |
Writing it by hand
Work down through the symbol values, taking as many of each as will fit before moving to the next. For 480:
CD = 400 remaining: 80
L = 50 remaining: 30
3 × X = 30 remaining: 0The result reads CDLXXX — 6 characters, against 3 digits in Arabic numerals.
Frequently asked questions
What is 480 in Roman numerals?
CDLXXX
How do you read CDLXXX?
Work left to right, adding each symbol — except where a smaller symbol precedes a larger one, in which case it is subtracted. CD is 400, L is 50, XXX is 30, giving 480 in total.
How do you write 480 in words?
four hundred and eighty.
Why is there no zero?
Roman numerals have no symbol for zero. The concept reached Europe only with Hindu-Arabic numerals, centuries after the system was in use — which is a large part of why it was eventually replaced for arithmetic.