🏛️ Roman Numeral Converter
Number ↔ Roman · Step-by-Step · Quiz Mode · Class 3–7
⚡ Try these
📖 Roman Numeral Symbols
| Symbol | Value | Memory trick |
|---|---|---|
| I | 1 | One finger |
| V | 5 | Open hand (5 fingers) |
| X | 10 | Two hands crossed |
| L | 50 | Half a century |
| C | 100 | Centum (Latin: hundred) |
| D | 500 | Half of M |
| M | 1,000 | Mille (Latin: thousand) |
📌 Subtraction rule: I before V or X (IV = 4, IX = 9) · X before L or C (XL = 40, XC = 90) · C before D or M (CD = 400, CM = 900)