Arabic to Roman Numeral Converter

Arabic to Roman Numeral Converter

#→Words Words→# Roman→# #→Roman
Roman Numeral
V
5 in Roman numerals is V.

Roman numerals use seven basic symbols: I = 1, V = 5, X = 10, L = 50, C = 100, D = 500, M = 1,000. The general rule is: reading left to right, values in descending order add up. When a smaller symbol comes before a larger one, it subtracts (e.g., IV = 4), which does not happen in this case.

Step-by-step conversion of 5:

1. V = 5 → represents units.

So, 5 = 5, or V in Roman numeral form.

The calculator converts any number between 1 and 3,999,999 into Roman numerals and provides a detailed guide explaining each step. For numbers 4,000 and above, we use vinculum notation (overline), where a bar over a symbol multiplies its value by 1,000.

Roman Numeral System Explained

The Roman numeral system uses seven basic symbols to represent numbers:

  • I = 1
  • V = 5
  • X = 10
  • L = 50
  • C = 100
  • D = 500
  • M = 1000

Converting Rules

  • Add the values of the numerals when a smaller numeral follows a larger one (XI = 11)
  • Subtract the smaller of the two numerals from the larger one when a smaller numeral precedes a larger one (IV = 4)
  • Only I, X, and C may be used in subtractive form
  • For numbers 4,000 and above, use vinculum notation: a bar over a numeral multiplies its value by 1,000. For example: V̅ = 5,000, X̅ = 10,000, C̅ = 100,000, M̅ = 1,000,000.

Example: Converting 5 to Roman Numerals

In order to convert 5 to Roman numerals, we decompose the number into the largest possible Roman numeral values and build the result step by step.

Final result: 5 = V

Use the calculator above for detailed step-by-step conversion explanations.

Roman Numerals Chart: 1-100

Quick reference table showing all numbers from 1 to 100 in Roman numerals. Click any number for detailed conversion steps.

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

Looking for a specific number? Use the calculator above or browse popular conversions below.

Key Numbers in Roman Numerals

Here are some commonly searched numbers and their Roman numeral equivalents:

  • 4 in Roman numerals: IV (uses subtraction: 5-1)
  • 9 in Roman numerals: IX (uses subtraction: 10-1)
  • 40 in Roman numerals: XL (uses subtraction: 50-10)
  • 50 in Roman numerals: L
  • 90 in Roman numerals: XC (uses subtraction: 100-10)
  • 100 in Roman numerals: C
  • 500 in Roman numerals: D
  • 1000 in Roman numerals: M

Frequently Asked Questions

What is 4 in Roman numerals?

4 in Roman numerals is IV. The I before V means subtract 1 from 5, giving us 4.

What is 9 in Roman numerals?

9 in Roman numerals is IX. The I before X means subtract 1 from 10, giving us 9.

What is 100 in Roman numerals?

100 in Roman numerals is C. The letter C represents 100 in the Roman numeral system.

What is 50 in Roman numerals?

50 in Roman numerals is L. The letter L represents 50 in the Roman numeral system.

What is 2025 in Roman numerals?

2025 in Roman numerals is MMXXV. MM = 2000, XX = 20, V = 5.