Roman numerals represent numbers with seven letters: I (1), V (5), X (10), L (50), C (100), D (500) and M (1000). They are still used for clock faces, book chapters, movie sequels and copyright years. This chart lists Roman numerals from 1 to 1000 and common years.
| Number | Roman |
|---|
| 1 | I |
| 2 | II |
| 3 | III |
| 4 | IV |
| 5 | V |
| 6 | VI |
| 7 | VII |
| 8 | VIII |
| 9 | IX |
| 10 | X |
| 11 | XI |
| 12 | XII |
| 13 | XIII |
| 14 | XIV |
| 15 | XV |
| 16 | XVI |
| 17 | XVII |
| 18 | XVIII |
| 19 | XIX |
| 20 | XX |
| 21 | XXI |
| 22 | XXII |
| 23 | XXIII |
| 24 | XXIV |
| 25 | XXV |
| 26 | XXVI |
| 27 | XXVII |
| 28 | XXVIII |
| 29 | XXIX |
| 30 | XXX |
| Number | Roman |
|---|
| 40 | XL |
| 50 | L |
| 60 | LX |
| 70 | LXX |
| 80 | LXXX |
| 90 | XC |
| 100 | C |
| 200 | CC |
| 300 | CCC |
| 400 | CD |
| 500 | D |
| 600 | DC |
| 700 | DCC |
| 800 | DCCC |
| 900 | CM |
| 1000 | M |
| 2000 | MM |
| 3000 | MMM |
| Year | Roman |
|---|
| 1990 | MCMXC |
| 2000 | MM |
| 2010 | MMX |
| 2020 | MMXX |
| 2024 | MMXXIV |
| 2025 | MMXXV |
Rules for reading Roman numerals
Add letters from largest to smallest (e.g. XVI = 10 + 5 + 1 = 16). When a smaller letter comes before a larger one, subtract it (IV = 4, IX = 9, XL = 40, CM = 900). A letter is never repeated more than three times in a row.
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