Roman Numeral Converter

Convert Roman numerals to numbers or convert numbers to Roman numerals numeric system. Find Roman numerals up to 3,999,999 using I, V, X, L, C, D and M.

Number to Roman Numerals
Number (Example. 500)
2023 = MMXXIII
Roman Numerals to Number
Roman Number (Example. MMXXIV)
MMXXIII = 2023
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    How to use this Roman Numeral Converter Tool?

    How to use Yttags's Roman Numeral Converter?

    • Step 1: Select the Tool
    Roman Numeral Converter Step 1
    • Step 2: Enter The Following Options And Click On Calculate Button.
    Roman Numeral Converter Step 2
    • Step 3: Check Your Roman Numeral Converter Result
    Roman Numeral Converter Step 3

    Use this roman numeral converter to convert roman numerals to numbers and conventional arabic form or latin alphabets. Learn how to write roman numbers with letters.

    Roman numerals conversion table

    Number Roman numeral Calculation
    0 not defined  
    1 I 1
    2 II 1+1
    3 III 1+1+1
    4 IV 5-1
    5 V 5
    6 VI 5+1
    7 VII 5+1+1
    8 VIII 5+1+1+1
    9 IX 10-1
    10 X 10
    11 XI 10+1
    12 XII 10+1+1
    13 XIII 10+1+1+1
    14 XIV 10-1+5
    15 XV 10+5
    16 XVI 10+5+1
    17 XVII 10+5+1+1
    18 XVIII 10+5+1+1+1
    19 XIX 10-1+10
    20 XX 10+10
    21 XXI 10+10+1
    22 XXII 10+10+1+1
    23 XXIII 10+10+1+1+1
    24 XXIV 10+10-1+5
    25 XXV 10+10+5
    26 XXVI 10+10+5+1
    27 XXVII 10+10+5+1+1
    28 XXVIII 10+10+5+1+1+1
    29 XXIX 10+10-1+10
    30 XXX 10+10+10
    31 XXXI 10+10+10+1
    32 XXXII 10+10+10+1+1
    33 XXXIII 10+10+10+1+1+1
    34 XXXIV 10+10+10-1+5
    35 XXXV 10+10+10+5
    36 XXXVI 10+10+10+5+1
    37 XXXVII 10+10+10+5+1+1
    38 XXXVIII 10+10+10+5+1+1+1
    39 XXXIX 10+10+10-1+10
    40 XL -10+50
    41 XLI -10+50+1
    42 XLII -10+50+1+1
    43 XLIII -10+50+1+1+1
    44 XLIV -10+50-1+5
    45 XLV -10+50+5
    46 XLVI -10+50+5+1
    47 XLVII -10+50+5+1+1
    48 XLVIII -10+50+5+1+1+1
    49 XLIX -10+50-1+10
    50 L 50
    51 LI 50+1
    52 LII 50+1+1
    53 LIII 50+1+1+1
    54 LIV 50-1+5
    55 LV 50+5
    56 LVI 50+5+1
    57 LVII 50+5+1+1
    58 LVIII 50+5+1+1+1
    59 LIX 50-1+10
    60 LX 50+10
    61 LXI 50+10+1
    62 LXII 50+10+1+1
    63 LXIII 50+10+1+1+1
    64 LXIV 50+10-1+5
    65 LXV 50+10+5
    66 LXVI 50+10+5+1
    67 LXVII 50+10+5+1+1
    68 LXVIII 50+10+5+1+1+1
    69 LXIX 50+10-1+10
    70 LXX 50+10+10
    71 LXXI 50+10+10+1
    72 LXXII 50+10+10+1+1
    73 LXXIII 50+10+10+1+1+1
    74 LXXIV 50+10+10-1+5
    75 LXXV 50+10+10+5
    76 LXXVI 50+10+10+5+1
    77 LXXVII 50+10+10+5+1+1
    78 LXXVIII 50+10+10+5+1+1+1
    79 LXXIX 50+10+10-1+10
    80 LXXX 50+10+10+10
    81 LXXXI 50+10+10+10+1
    82 LXXXII 50+10+10+10+1+1
    83 LXXXIII 50+10+10+10+1+1+1
    84 LXXXIV 50+10+10+10-1+5
    85 LXXXV 50+10+10+10+5
    86 LXXXVI 50+10+10+10+5+1
    87 LXXXVII 50+10+10+10+5+1+1
    88 LXXXVIII 50+10+10+10+5+1+1+1
    89 LXXXIX 50+10+10+10-1+10
    90 XC 100-10
    91 XCI 100-10+1
    92 XCII 100-10+1+1
    93 XCIII 100-10+1+1+1
    94 XCIV 100-10-1+5
    95 XCV 100-10+5
    96 XCVI 100-10+5+1
    97 XCVII 100-10+5+1+1
    98 XCVIII 100-10+5+1+1+1
    99 XCIX 100-10-1+10
    100 C 100
    200 CC 100+100
    300 CCC 100+100+100
    400 CD 500-100
    500 D 500
    600 DC 500+100
    700 DCC 500+100+100
    800 DCCC 500+100+100+100
    900 CM 1000-100
    1000 M 1000
    5000 V  
    10000 X  
    50000 L  
    100000 C  
    500000 D  
    1000000 M  

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    Roman Numeral Converter

    FAQs for Roman Numeral Converter

    What is a Roman Numeral Converter?
    A Roman Numeral Converter is a tool that converts Arabic numerals (1, 2, 3, etc.) into Roman numerals (I, II, III, etc.) and vice versa, facilitating the representation of numbers in the Roman numeral system for various purposes, such as in clock faces or book chapter numbering.
    What are the limitations of Roman numerals?
    Roman numerals are not without flaws. For example, there is no symbol for zero, and there is no way to calculate fractions. This hindered the ability to develop a universally understood, sophisticated math system, and made trading more difficult.
    Are Roman numerals useful?
    Roman numerals are still used today. A few examples include to mark the year of construction on building cornerstones or to signify annual events such as the Super Bowl. They are also used as generational suffixes, like in John Smith III (the third).
    Which digit Cannot be repeated in Roman numerals?
    While writing a Roman numeral, only the numerals I, X, C and M can be repeated. V, L and D cannot be repeated.
    What is the role of Roman numerals?
    Roman numerals are a collection of symbols that make up the number system that was used by the ancient Romans. Today, Roman numerals are more commonly used in titles, to number parts of works, in music theory, and on clock faces.