1800 = MDCCC
Split 1800 into 1000 + 800 and write each part: M (1000) + DCCC (800) = MDCCC.
| Symbol | I | V | X | L | C | D | M |
|---|---|---|---|---|---|---|---|
| Value | 1 | 5 | 10 | 50 | 100 | 500 | 1,000 |
Need another number? Use the Roman numeral converter (both directions).
| Number | Roman numeral |
|---|---|
| 1600 | MDC |
| 1700 | MDCC |
| 1750 | MDCCL |
| 1776 | MDCCLXXVI |
| 1812 | MDCCCXII |
| 1850 | MDCCCL |
| 1865 | MDCCCLXV |
| 1900 | MCM |