Roman Numeral Chart Rule: When Roman Numerals are written as capital letters, a single capital sign should me used before a single letter, and a double capital sign should be used before numerals containing two or more letters. Uncapitalized Roman numerals of one or more letters should be preceded by the letter sign. I = 1 V = 5 X = 10 L = 50 C = 100 D = 500 M = 1000 1 I ,I 36 XXXVI ,,XXXVI 71 LXXI ,,LXXI 2 II ,,II 37 XXXVII ,,XXXVII 72 LXXII ,,LXXII 3 III ,,III 38 XXXVIII ,,XXXVIII 73 LXXIII ,,LXXIII 4 IV ,,IV 39 XXXIX ,,XXXIX 74 LXXIV ,,LXXIV 5 V ,V 40 XL ,,XL 75 LXXV ,,LXXV 6 VI ,,VI 41 XLI ,,XLI 76 LXXVI ,,LXXVI 7 VII ,,VII 42 XLII ,,XLII 77 LXXVII ,,LXXVII 8 VIII ,,VIII 43 XLIII ,,XLIII 78 LXXVIII ,,LXXVIII 9 IX ,,IX 44 XLIV ,,XLIV 79 LXXIX ,,LXXIX 10 X ,X 45 XLV ,,XLV 80 LXXX ,,LXXX 11 XI ,,XI 46 XLVI ,,XLVI 81 LXXXI ,,LXXXI 12 XII ,,XII 47 XLVII ,,XLVII 82 LXXXII ,,LXXXII 13 XIII ,,XIII 48 XLVIII ,,XLVIII 83 LXXXIII ,,LXXXIII 14 XIV ,,XIV 49 XLIX ,,XLIX 84 LXXXIV ,,LXXXIV 15 XV ,,XV 50 L ,,L 85 LXXXV ,,LXXXV 16 XVI ,,XVI 51 LI ,,LI 86 LXXXVI ,,LXXXVI 17 XVII ,,XVII 52 LII ,,LII 87 LXXXVII ,,LXXXVII 18 XVIII ,,XVIII 53 LIII ,,LIII 88 LXXXVIII ,,LXXXVIII 19 XIX ,,XIX 54 LIV ,,LIV 89 LXXXIX ,,LXXXIX 20 XX ,,XX 55 LV ,,LV 90 XC ,,XC 21 XXI ,,XXI 56 LVI ,,LVI 91 XCI ,,XCI 22 XXII ,,XXII 57 LVII ,,LVII 92 XCII ,XCII 23 XXIII ,,XXIII 58 LVIII ,,LVIII 93 XCIII ,XCIII 24 XXIV ,,XXIV 59 LIX ,,LIX 94 XCIV ,XCIV 25 XXV ,,XXV 60 LX ,,LX 95 XCV ,XCV 26 XXVI ,,XXVI 61 LXI ,,LXI 96 XCVI ,XCVI 27 XXVII ,,XXVII 62 LXII ,,LXII 97 XCVII ,XCVII 28 XXVIII ,,XXVIII 63 LXIII ,,LXIII 98 XCVIII ,XCVIII 29 XXIX ,,XXIX 64 LXIV ,,LXIV 99 XCIX ,XCIX 30 XXX ,,XXX 65 LXV ,,LXV 100 C ,C 31 XXXI ,,XXXI 66 LXVI ,,LXVI 101 CI ,CI 32 XXXII ,,XXXII 67 LXVII ,,LXVII 150 CL ,CL 33 XXXIII ,,XXXIII 68 LXVIII ,,LXVIII 200 CC ,CC 34 XXXIV ,,XXXIV 69 LXIX ,,LXIX 501 DI ,DI 35 XXXV ,,XXXV 70 LXX ,,LXX 530 DXXX ,DXXX .