# Roman Numerals Converter

Q&A

## Information about using the Roman Numerals Converter

### 1. How does the converter work?

The usage is very simple. If you type the number in one input field, than the result of the conversion immediately shows up on the other field. If you want to convert a new roman numerals to decimal, or a decimal to roman numaerals, just hit the CLEAR button.

### 2. How to convert a Roman numeral to decimal (arabic numeral)?

Roman numerals are converted using the following symbols:

• M = 1000

• D = 500

• C = 100

• L = 50

• X = 10

• V = 5

• I = 1

By combining the above Roman numerals you can convert a specific Roman numeral to Arabic.  This system uses subtractive notation which means that you can get some of the numbers by using the subtract method. For example, if we want to describe the Arabic numeral four, we can describe it as an Arabic numeral by subtraction as Roman numeral 1 (I) before the Roman numeral (V) as follows: IV. The same method can be used for larger values. For example, the CM stands for 900.

It is important to know that by using the above numbers and using the symbol system described above the largest number that can be represented in this notation is 3,999. With all of this in mind, the converter can handle and convert Roman numerals from 1 to 3999.

### 3. How to convert an Arabic numeral (decimal) to a Roman one?

It’s very simple, just use the notation system described in the previous paragraph inverted. Suppose we want to describe 2020 as a Roman numeral. Thousand digits are represented by the Roman numeral M, doubling it to 2000, while the conversion of the tens to the Roman numeral can be accomplished by the double use of the X symbol. The result will be MMXX.

### 4. Roman numerals and Arabic numerals 1 through 100 are as follows.

 1 I 26 XXVI 51 LI 76 LXXVI 2 II 27 XXVII 52 LII 77 LXXVII 3 III 28 XXVIII 53 LIII 78 LXXVIII 4 IV 29 XXIX 54 LIV 79 LXXIX 5 V 30 XXX 55 LV 80 LXXX 6 VI 31 XXXI 56 LVI 81 LXXXI 7 VII 32 XXXII 57 LVII 82 LXXXII 8 VIII 33 XXXIII 58 LVIII 83 LXXXIII 9 IX 34 XXXIV 59 LIX 84 LXXXIV 10 X 35 XXXV 60 LX 85 LXXXV 11 XI 36 XXXVI 61 LXI 86 LXXXVI 12 XII 37 XXXVII 62 LXII 87 LXXXVII 13 XIII 38 XXXVIII 63 LXIII 88 LXXXVIII 14 XIV 39 XXXIX 64 LXIV 89 LXXXIX 15 XV 40 XL 65 LXV 90 XC 16 XVI 41 XLI 66 LXVI 91 XCI 17 XVII 42 XLII 67 LXVII 92 XCII 18 XVIII 43 XLIII 68 LXVIII 93 XCIII 19 XIX 44 XLIV 69 LXIX 94 XCIV 20 XX 45 XLV 70 LXX 95 XCV 21 XXI 46 XLVI 71 LXXI 96 XCVI 22 XXII 47 XLVII 72 LXXII 97 XCVII 23 XXIII 48 XLVIII 73 LXXIII 98 XCVIII 24 XXIV 49 XLIX 74 LXXIV 99 XCIX 25 XXV 50 L 75 LXXV 100 C