Convert from Octal (Base 8) to Roman (Rom)

Perform the conversion of numbers between different numerical systems.

Octal (Base 8) = Roman (Rom)

Convert from Roman (Rom) to Octal (Base 8)

Information about conversion units:

About Octal (Base 8)

The octal system is the positional numeral system with a base of 8, using the Arabic-Indic digits: 0, 1, 2, 3, 4, 5, 6, 7. In computing, octal numbering is sometimes used instead of hexadecimal. It has the advantage of not requiring symbols other than digits.

About Roman (Rom)

The Roman numeral system is an ancient numeric system that was used in the Roman Empire. In this system, letters are used to represent numbers, with the most commonly used letters being I, V, X, L, C, D, and M. Each letter has a specific numeric value, and they are combined in certain ways to form numbers. Unlike the decimal system, the Roman numeral system doesn't have a native representation of zero. That means there is no specific symbol for zero in the Roman numeral system. Despite this, the Roman numeral system is still used in some contexts, such as numbering years in certain calendars.

Octal (Base 8) vs Roman (Rom)

Octal (Base 8)Decimal (Base 10)Roman (Rom)
11I
44IV
55V
119IX
1210X
5040XL
6250L
13290XC
144100C
620400CD
764500D
1604900CM
17501000M
76404000IV
116105000V
214509000IX
2342010000X
11610040000XL
14152050000L
25762090000XC
303240100000C
1415200400000CD
1720440500000D
3335640900000CM
36411001000000M

¿How to convert from Octal (Base 8) to Roman (Rom)?

Note: To convert a number from octal (base 8) to any other base, we first need to convert the octal value to decimal (base 10). To do this, follow these steps:

  1. Identify each digit of the octal number.
  2. Calculate the position of each digit. Start from the rightmost digit, which will have a position of 0. Each digit to the left will have an incremental position of 1 (1, 2, 3, etc.).
  3. Calculate the decimal value of each digit by multiplying it by the base (8) raised to the position of the digit. For example: digit * 8^position.
  4. Add up the values obtained in the previous step to get the equivalent decimal number.

Applying these steps to the octal number 237:

  1. 2, 3, and 7 are the digits.
  2. From right to left, the positions are 0, 1, and 2.
  3. 2 * 8^2 = 128; 3 * 8^1 = 24; 7 * 8^0 = 7.
  4. 128 + 24 + 7 = 159 decimal

Therefore, 237 octal = 159 decimal.

Visual example of the procedure to convert an octal number to decimal.

To convert a decimal number to a Roman numeral, you need to follow a series of rules:

Roman Numerals and Their Basic Rules.

  1. The Roman numerals I, X, C, and M can be repeated up to three times when writing a composite Roman numeral.
  2. The Roman numerals V, L, and D cannot be repeated.
  3. If a composite Roman numeral has a smaller number to the right than to the left, then both are added. Example: XI: The number on the right (I = 1) is smaller than on the left (X = 10), so they are added, i.e., XI = 11.
  4. If a composite Roman numeral has a larger number to the right and it is I, X, or C, then the left is subtracted from the right. Example: IX: The number on the right (X = 10) is larger than on the left (I = 1), and it's I, so the left is subtracted from the right, i.e., IX = 9.
  5. If a Roman numeral has a line over it, its value is multiplied by a thousand. Example: IX

    : the number is 9,000, as it's the Roman numeral representing 9 and the line over it multiplies it by a thousand.

Basic equivalence table for Roman numerals.

Steps to convert the decimal number 159 into a Roman numeral:

  1. Break down the number into units, in this case: 100, 50, and 9.
  2. Translate using the table, each decimal number to its equivalent Roman numeral. In this case: C=100, L=50, and IX=9.
  3. Write the result from largest to smallest unit or from left to right: CLIX.

As a result, the decimal number 159 is equal to CLIX in Roman numerals.

Conversion process from a decimal number or base 10 to a Roman numeral.

Conversion table of Octal (Base 8) to Roman (Rom)

Octal (Base 8) Roman (Rom)
1I
2II
3III
4IV
5V
6VI
7VII
10VIII
11IX
12X
13XI
14XII
15XIII
16XIV
17XV
20XVI
21XVII
22XVIII
23XIX
24XX
25XXI
26XXII
27XXIII
30XXIV
31XXV
32XXVI
33XXVII
34XXVIII
35XXIX
36XXX
37XXXI
40XXXII
41XXXIII
42XXXIV
43XXXV
44XXXVI
45XXXVII
46XXXVIII
47XXXIX
50XL
51XLI
52XLII
53XLIII
54XLIV
55XLV
56XLVI
57XLVII
60XLVIII
61XLIX
62L
63LI
64LII
65LIII
66LIV
67LV
70LVI
71LVII
72LVIII
73LIX
74LX
75LXI
76LXII
77LXIII
100LXIV
101LXV
102LXVI
103LXVII
104LXVIII
105LXIX
106LXX
107LXXI
110LXXII
111LXXIII
112LXXIV
113LXXV
114LXXVI
115LXXVII
116LXXVIII
117LXXIX
120LXXX
121LXXXI
122LXXXII
123LXXXIII
124LXXXIV
125LXXXV
126LXXXVI
127LXXXVII
130LXXXVIII
131LXXXIX
132XC
133XCI
134XCII
135XCIII
136XCIV
137XCV
140XCVI
141XCVII
142XCVIII
143XCIX
144C
145CI
146CII
147CIII
150CIV
151CV
152CVI
153CVII
154CVIII
155CIX
156CX
157CXI
160CXII
161CXIII
162CXIV
163CXV
164CXVI
165CXVII
166CXVIII
167CXIX
170CXX
171CXXI
172CXXII
173CXXIII
174CXXIV
175CXXV
176CXXVI
177CXXVII
200CXXVIII
201CXXIX
202CXXX
203CXXXI
204CXXXII
205CXXXIII
206CXXXIV
207CXXXV
210CXXXVI
211CXXXVII
212CXXXVIII
213CXXXIX
214CXL
215CXLI
216CXLII
217CXLIII
220CXLIV
221CXLV
222CXLVI
223CXLVII
224CXLVIII
225CXLIX
226CL
227CLI
230CLII
231CLIII
232CLIV
233CLV
234CLVI
235CLVII
236CLVIII
237CLIX
240CLX
241CLXI
242CLXII
243CLXIII
244CLXIV
245CLXV
246CLXVI
247CLXVII
250CLXVIII
251CLXIX
252CLXX
253CLXXI
254CLXXII
255CLXXIII
256CLXXIV
257CLXXV
260CLXXVI
261CLXXVII
262CLXXVIII
263CLXXIX
264CLXXX
265CLXXXI
266CLXXXII
267CLXXXIII
270CLXXXIV
271CLXXXV
272CLXXXVI
273CLXXXVII
274CLXXXVIII
275CLXXXIX
276CXC
277CXCI
300CXCII
301CXCIII
302CXCIV
303CXCV
304CXCVI
305CXCVII
306CXCVIII
307CXCIX
310CC
311CCI
312CCII
313CCIII
314CCIV
315CCV
316CCVI
317CCVII
320CCVIII
321CCIX
322CCX
323CCXI
324CCXII
325CCXIII
326CCXIV
327CCXV
330CCXVI
331CCXVII
332CCXVIII
333CCXIX
334CCXX
335CCXXI
336CCXXII
337CCXXIII
340CCXXIV
341CCXXV
342CCXXVI
343CCXXVII
344CCXXVIII
345CCXXIX
346CCXXX
347CCXXXI
350CCXXXII
351CCXXXIII
352CCXXXIV
353CCXXXV
354CCXXXVI
355CCXXXVII
356CCXXXVIII
357CCXXXIX
360CCXL
361CCXLI
362CCXLII
363CCXLIII
364CCXLIV
365CCXLV
366CCXLVI
367CCXLVII
370CCXLVIII
371CCXLIX
372CCL
373CCLI
374CCLII
375CCLIII
376CCLIV
377CCLV
400CCLVI
401CCLVII
402CCLVIII
403CCLIX
404CCLX
405CCLXI
406CCLXII
407CCLXIII
410CCLXIV
411CCLXV
412CCLXVI
413CCLXVII
414CCLXVIII
415CCLXIX
416CCLXX
417CCLXXI
420CCLXXII
421CCLXXIII
422CCLXXIV
423CCLXXV
424CCLXXVI
425CCLXXVII
426CCLXXVIII
427CCLXXIX
430CCLXXX
431CCLXXXI
432CCLXXXII
433CCLXXXIII
434CCLXXXIV
435CCLXXXV
436CCLXXXVI
437CCLXXXVII
440CCLXXXVIII
441CCLXXXIX
442CCXC
443CCXCI
444CCXCII
445CCXCIII
446CCXCIV
447CCXCV
450CCXCVI
451CCXCVII
452CCXCVIII
453CCXCIX
454CCC