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Roman Numerals 1 to 100: Complete List, Rules to Write, Solved Examples

Roman Numbers 1 to 100 are a traditional system of writing numbers using Roman letters. Learn the rules to write Roman Numbers 1 to 100 accurately and confidently.
authorImageChandni 5 Sept, 2025
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Roman Numerals 1 to 100

Roman Numerals 1 to 100 are part of an ancient numbering system created by the Romans. This unique system, which uses letters like I, V, X, L, and C, is still seen today on clocks, in books, and on historic monuments.

1 to 100 Roman numbers not only connect us to history but also show the creativity and intelligence of ancient Roman civilization. Even though we use a different number system now, Roman numerals continue to be a special part of history and are still seen in many places today.  In this blog, we’ll explore what Roman numerals are, how they work, where they are used, and how to write numbers from 1 to 100 in this unique system.

What are Roman Numerals?

Roman numerals are a numeral system that uses specific Latin letters to represent numbers. The main symbols and their values are:
  • I = 1
  • V = 5
  • X = 10
  • L = 50
  • C = 100
These letters are combined based on specific rules to create other numbers. For example:
  • II represents 2 (1 + 1).
  • IX represents 9 (10 - 1).
Roman numerals are described as additive and subtractive because:
  • Additive: Values are added when a smaller or equal numeral follows a larger numeral. For instance, VI = 5 + 1 = 6.
  • Subtractive : Values are subtracted when a smaller numeral precedes a larger numeral. For example, IV = 5 - 1 = 4.

Complete List of Roman Numerals 1 to 100

Here, students can learn to write Roman numbers 1 to 100. The full list of 1 to 100 roman number for reference is given below:

List of Roman Numerals 1 to 100

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

Steps to Write Roman Numerals

Now we have learnt to write Roman numbers 1 to 100. Let’s convert the number 65 into Roman numerals step-by-step:

Step 1: Break the Number into Known Values

Split the number into parts that match Roman numeral values. For 65:

65= 50+ 10+ 5

Each part represents a Roman numeral value:
  • 50
  • 10
  • 5

Step 2: Assign Roman Numerals to Each Value

Replace each part with its Roman numeral equivalent:
  • 50 = L
  • 10 = X
  • 5 = V

Step 3: Combine the Roman Numerals

Finally, put all the numerals together in the correct order (from largest to smallest):

65= L+ X+ V = LXV

This method can be used for any number from 1 to 100 in Roman numerals by breaking it into known Roman numeral values and then substituting and combining them.

Rules for Writing Roman Numerals 1 to 100

1 to 100 in Roman numerals follow simple  rules for their formation:

 Addition Rule

 When a smaller numeral follows a larger numeral, their values are added together.
 Example: VI = 5 + 1 = 6

Subtraction Rule

When a smaller numeral precedes a larger numeral, the smaller value is subtracted from the larger value.
Example: IV = 5 - 1 = 4

Repetition Rule

A numeral can be repeated up to three times to indicate addition.
Example: XXX = 10 + 10 + 10 = 30

Non-Repetition Rule

Some numerals, such as V, L, and D, are never repeated. Subtraction is used instead to avoid consecutive identical symbols.
Example: 40 is written as XL (50 - 10) instead of XXXX.

No Zero

The Roman no 1 to 100 system does not have a symbol for zero because the concept of "zero" didn't exist in Roman mathematics. This made it harder to perform calculations, which is why the Hindu-Arabic numeral system eventually replaced it with its use of zero.

Why Learn Roman Numerals 1 to 100?

Learning Roman numerals 1 to 100 is a valuable skill that connects us to history, has practical uses today, and helps develop logical thinking. Below are examples and reasons why they are still relevant and useful to learn Roman numbers 1 to 100.

Historical Understanding

Roman numerals are an important part of history and appear on old buildings, documents, and monuments. Knowing them helps you decode historical references.
Example : The year 1845 might be written as MDCCCXLV on a historic building. Monarchs and rulers are often numbered using Roman numerals, such as Queen Elizabeth II (2) or Louis XIV (14) .

Practical Use

Roman numerals are still used in many everyday contexts.
Examples from 1 to 100 : Clocks : Clock faces display time like III (3) , VI (6) , or IX (9) . Events : The Olympic Games use Roman numbers 1 to 100 for each edition, such as the XXXII Olympiad (32nd) . Books and Movies : Chapters or sequels are labeled with Roman numerals, e.g., Star Wars Episode V (5) or Volume III (3) .

Skill Development

Understanding Roman numerals helps improve problem-solving skills by breaking down and reconstructing numbers.
Examples : Breaking down LXXXIV (84) into its components: L (50) + XXX (30) + IV (4) . Interpreting XLIX (49) as 50 - 10 + 9 .

Roman Numerals  1 to 100 Solved  Examples

Example 1: Convert 67 into Roman Numerals
Solution: 67 can be broken down as: 67 = 50 + 10 + 5 + 1 + 1 We know that:
  • 50 = L
  • 10 = X
  • 5 = V
  • 1 = I
Thus, 67 = L + X + V + I + I = LXVII

Example 2: Convert 40 into Roman Numerals

Solution:

40 can be written using the subtraction rule because Roman numerals 1 to 100 avoid repeating the same symbol more than three times in a row. Instead of writing XXXX, we represent 40 as: 40 = 50 - 10. We know that:
  • 50 = L
  • 10 = X

Subtraction Rule

When a smaller numeral (X) comes before a larger numeral (L), it is subtracted from the larger numeral. This gives: 40 = XL Thus, 40 = XL .

Example 3: Convert 11 into Roman Numerals

Solution:

11 can be written using the addition rule, where smaller numerals follow larger numerals. 11 = 10 + 1 We know that:
  • 10 = X
  • 1 = I

Addition Rule:

When a smaller numeral (I) comes after a larger numeral (X), their values are added together. This gives: 11 = XI Thus, 11 = XI .
Example 4: Simplify XIX + VII and write the result in Roman numerals.
Solution: XIX = 19 and VII = 7. 19 + 7 = 26. Thus, 26 = XXVI in Roman numerals.
Example 5: Write 72 in Roman numerals.
Solution: 72 can be broken down as: 70 = LXX, 2 = II. Thus, 72 = LXXII.
Example 6: What is XCII in Hindu-Arabic numerals?
Solution: XCII can be split as: 90 (XC) + 2 (II). Thus, XCII = 92.
Example 7: Simplify L + XXX - IX and write the result in Roman numerals.
Solution: L = 50, XXX = 30, IX = 9. 50 + 30 - 9 = 71. Thus, 71 = LXXI in Roman numerals.
Example 8: Convert XC + IV into a Hindu-Arabic number.
Solution: XC = 90 and IV = 4. 90 + 4 = 94. Thus, XC + IV = 94. Join Online Tuition Class Now !!
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Roman Numerals FAQs

Why can Roman numerals only be repeated up to three times?

Repeating numerals more than three times would make the system confusing and harder to read, so the Roman numeral system uses addition or subtraction to avoid this.

Which symbols in Roman numerals represent "tens" and "fifties"?

X represents 10, and L represents 50.

Why do many traditional clocks use Roman numerals instead of modern digits?

Roman numerals give a classic and timeless look, often associated with tradition and elegance, making them a popular choice for clock designs.

What are the main symbols used in Roman numerals to represent numbers, and how many are there?

There are seven main symbols: I, V, X, L, C, D, and M.
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