Tableau des chiffres romains
| 1 | I |
| 2 | II |
| 3 | III |
| 4 | IV |
| 5 | V |
| 6 | VI |
| 7 | VII |
| 8 | VIII |
| 9 | IX |
| 10 | X |
| 11 | XI |
| 12 | XII |
| 14 | XIV |
| 15 | XV |
| 19 | XIX |
| 20 | XX |
| 30 | XXX |
| 40 | XL |
| 50 | L |
| 90 | XC |
| 100 | C |
| 400 | CD |
| 500 | D |
| 900 | CM |
| 1000 | M |
| 1990 | MCMXC |
| 2000 | MM |
| 2025 | MMXXV |
| 2026 | MMXXVI |
| 2027 | MMXXVII |
Saisissez un nombre ou un nombre en chiffres romains – la conversion fonctionne dans les deux sens.
| 1 | I |
| 2 | II |
| 3 | III |
| 4 | IV |
| 5 | V |
| 6 | VI |
| 7 | VII |
| 8 | VIII |
| 9 | IX |
| 10 | X |
| 11 | XI |
| 12 | XII |
| 14 | XIV |
| 15 | XV |
| 19 | XIX |
| 20 | XX |
| 30 | XXX |
| 40 | XL |
| 50 | L |
| 90 | XC |
| 100 | C |
| 400 | CD |
| 500 | D |
| 900 | CM |
| 1000 | M |
| 1990 | MCMXC |
| 2000 | MM |
| 2025 | MMXXV |
| 2026 | MMXXVI |
| 2027 | MMXXVII |
I = 1, V = 5, X = 10, L = 50, C = 100, D = 500, M = 1000.
2026 = MMXXVI.