24 = XXIV
Split 24 into 20 + 4 and write each part: XX (20) + IV (4) = XXIV.
XXIV uses subtraction: IV = 4. 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 |
|---|---|
| 20 | XX |
| 21 | XXI |
| 22 | XXII |
| 23 | XXIII |
| 25 | XXV |
| 26 | XXVI |
| 27 | XXVII |
| 28 | XXVIII |