450 = CDL
Split 450 into 400 + 50 and write each part: CD (400) + L (50) = CDL.
CDL uses subtraction: CD = 400. A smaller symbol before a larger one is subtracted.
| 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 |
|---|---|
| 250 | CCL |
| 300 | CCC |
| 350 | CCCL |
| 400 | CD |
| 500 | D |
| 550 | DL |
| 600 | DC |
| 650 | DCL |