Roman Arabic Numbers Converter

Converting Roman numerals to Arabic online is now really easy with us. Thanks to our free Roman number – Arabic number conversion tool, you can convert Roman numeral to Arabic or vice versa at a glance.

Roman numeral - Arabic numeral Converter

Roman numbers to Arabic and vice versa.

Click here to convert the number to the desired form.

Converted number:

Number to be converted:*

Information about using the Roman numeral to Arabic numeric converter

1. How does Roman numeral conversion work online?

• First, specify where you want to convert from. Choose whether you want to convert from Roman to Arabic or from Arabic to Roman.

• Then enter the amount (number) you want to convert. If you convert from Roman, then Roman, if from Arabic, then, of course, Arabic.

• Finally, click the button named Convert. The result of the conversion will immediately appear.

2. How to convert a Roman number to Arabic?

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 number 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 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 numbers from 1 to 3999 can be downloaded here.

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