---
title: "720 in Roman numerals is DCCXX"
description: "720 in Roman numerals is DCCXX, written as 500 + 100 + 100 + 10 + 10. How it breaks down, how to write it, and the numbers either side."
url: https://atoneplace.net/roman-numerals/720/
site: "At One Place"
---

# 720 in Roman numerals

**720 in Roman numerals: DCCXX**

720 is written DCCXX in Roman numerals. That is 5 symbol groups added together, reading left to right from the largest value down.

## How it breaks down

*DCCXX = 500 + 100 + 100 + 10 + 10 = 720*

| Group | Value | Subtraction | Running total |
| --- | --- | --- | --- |
| D | 500 | — | 500 |
| C | 100 | — | 600 |
| C | 100 | — | 700 |
| X | 10 | — | 710 |
| X | 10 | — | 720 |

## No subtraction needed

DCCXX is purely additive — every symbol is simply added to the one before it, with no subtractive pairs like IV or IX. Numbers avoid subtraction when none of their digits is a 4 or a 9.

## The symbols

| Symbol | Value | Used here |
| --- | --- | --- |
| I | 1 | no |
| V | 5 | no |
| X | 10 | yes — 2× |
| L | 50 | no |
| C | 100 | yes — 2× |
| D | 500 | yes — 1× |
| M | 1,000 | no |

## The same number, other ways

- **In words:** Seven hundred twenty
- **Roman numeral:** DCCXX
- **Symbol count:** 5 characters
- **Binary:** 1011010000
- **Hexadecimal:** 2D0

## The numbers either side

| Number | Roman numeral |
| --- | --- |
| 718 | DCCXVIII |
| 719 | DCCXIX |
| 720 | DCCXX ← |
| 721 | DCCXXI |
| 722 | DCCXXII |

## Common questions

### What is 720 in Roman numerals?

720 is DCCXX.

### What does DCCXX mean?

DCCXX is the Roman numeral for 720 — 500 + 100 + 100 + 10 + 10.

### How do you write 720 in Roman numerals?

Take the largest value that fits and repeat until nothing is left: D (500), then C (100), then C (100), then X (10), then X (10). That gives DCCXX.

## Related pages

- [718 in Roman numerals](https://atoneplace.net/roman-numerals/718/)
- [719 in Roman numerals](https://atoneplace.net/roman-numerals/719/)
- [721 in Roman numerals](https://atoneplace.net/roman-numerals/721/)
- [722 in Roman numerals](https://atoneplace.net/roman-numerals/722/)
- [4 in Roman numerals](https://atoneplace.net/roman-numerals/4/)
- [9 in Roman numerals](https://atoneplace.net/roman-numerals/9/)
- [14 in Roman numerals](https://atoneplace.net/roman-numerals/14/)
- [19 in Roman numerals](https://atoneplace.net/roman-numerals/19/)
- [40 in Roman numerals](https://atoneplace.net/roman-numerals/40/)
- [42 in Roman numerals](https://atoneplace.net/roman-numerals/42/)
- [49 in Roman numerals](https://atoneplace.net/roman-numerals/49/)
- [50 in Roman numerals](https://atoneplace.net/roman-numerals/50/)

## Sources

- Calculated on this page — At One Place (/about/)