Roman Numerals Converter

Converter

Roman Numerals Converter for easily converting Roman numerals to Arabic or Arabic to Roman numerals. Roman numerals to Arabic online is now really easy with us. Thanks to our free conversion tool, you can convert Roman numeral to Arabic and vice versa at a glance.

Roman Numerals Converter

Example Roman Numerals Conversions

1 in Roman numerals	2 in Roman numerals	3 in Roman numerals	4 in Roman numerals
5 in Roman numerals	6 in Roman numerals	7 in Roman numerals	8 in Roman numerals
9 in Roman numerals	10 in Roman numerals	11 in Roman numerals	12 in Roman numerals
13 in Roman numerals	14 in Roman numerals	15 in Roman numerals	16 in Roman numerals
17 in Roman numerals	18 in Roman numerals	19 in Roman numerals	20 in Roman numerals
21 in Roman numerals	22 in Roman numerals	23 in Roman numerals	24 in Roman numerals
25 in Roman numerals	26 in Roman numerals	27 in Roman numerals	28 in Roman numerals
29 in Roman numerals	30 in Roman numerals	31 in Roman numerals	32 in Roman numerals
33 in Roman numerals	34 in Roman numerals	35 in Roman numerals	36 in Roman numerals
37 in Roman numerals	38 in Roman numerals	39 in Roman numerals	40 in Roman numerals
41 in Roman numerals	42 in Roman numerals	43 in Roman numerals	44 in Roman numerals
45 in Roman numerals	46 in Roman numerals	47 in Roman numerals	48 in Roman numerals
49 in Roman numerals	50 in Roman numerals	51 in Roman numerals	52 in Roman numerals

I in decimal (arabic numerals)	II in decimal (arabic numerals)	III in decimal (arabic numerals)	IV in decimal (arabic numerals)
V in decimal (arabic numerals)	VI in decimal (arabic numerals)	VII in decimal (arabic numerals)	VIII in decimal (arabic numerals)
IX in decimal (arabic numerals)	X in decimal (arabic numerals)	XI in decimal (arabic numerals)	XII in decimal (arabic numerals)
XIII in decimal (arabic numerals)	XIV in decimal (arabic numerals)	XV in decimal (arabic numerals)	XVI in decimal (arabic numerals)
XVII in decimal (arabic numerals)	XVIII in decimal (arabic numerals)	XIX in decimal (arabic numerals)	XX in decimal (arabic numerals)
XXI in decimal (arabic numerals)	XXII in decimal (arabic numerals)	XXIII in decimal (arabic numerals)	XXIV in decimal (arabic numerals)
XXV in decimal (arabic numerals)	XXVI in decimal (arabic numerals)	XXVII in decimal (arabic numerals)	XXVIII in decimal (arabic numerals)
XXIX in decimal (arabic numerals)	XXX in decimal (arabic numerals)	XXXI in decimal (arabic numerals)	XXXII in decimal (arabic numerals)
XXXIII in decimal (arabic numerals)	XXXIV in decimal (arabic numerals)	XXXV in decimal (arabic numerals)	XXXVI in decimal (arabic numerals)
XXXVII in decimal (arabic numerals)	XXXVIII in decimal (arabic numerals)	XXXIX in decimal (arabic numerals)	XL in decimal (arabic numerals)
XLI in decimal (arabic numerals)	XLII in decimal (arabic numerals)	XLIII in decimal (arabic numerals)	XLIV in decimal (arabic numerals)
XLV in decimal (arabic numerals)	XLVI in decimal (arabic numerals)	XLVII in decimal (arabic numerals)	XLVIII in decimal (arabic numerals)
XLIX in decimal (arabic numerals)	L in decimal (arabic numerals)	LI in decimal (arabic numerals)	LII in decimal (arabic numerals)

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

All Roman numerals from 1 to 3999 can be downloaded here.

Roman Numerals Converter