Math
ROMAN NUMERALS
Convert between Roman numerals and decimal numbers. Supports 1–3999 with conversion breakdown.
Decimal → Roman
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Roman → Decimal
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Current Year in Roman Numerals
REFERENCE TABLE
| Decimal | Roman | Name |
|---|---|---|
| 1 | I | Unus |
| 4 | IV | Quattuor |
| 5 | V | Quinque |
| 9 | IX | Novem |
| 10 | X | Decem |
| 40 | XL | Quadraginta |
| 50 | L | Quinquaginta |
| 90 | XC | Nonaginta |
| 100 | C | Centum |
| 400 | CD | Quadringenti |
| 500 | D | Quingenti |
| 900 | CM | Nongenti |
| 1000 | M | Mille |