Roman Numerals Converter

Unified Roman Numerals Converter

Roman Numerals to Number

MMMXXXVI = 3036

Number to Roman Numerals

2025 = MMXXV

Roman numerals have been used for many years, and they are also numerals used in our daily life. For example, we see the time every day, and Roman numerals are also used in things used on a watch or dial. Let’s talk about some of its history, where it came from and how. Roman numerals are a decimal (decimal) based system, a set of Latin letters that represent numbers, and it is based on 7 symbols: I, V, X, L, C, D, M. They were developed by the Romans in the 7th to 6th centuries BC, and they are still used in many fields, such as science, technology, etc. until the Middle Ages and are still used today.

Roman numerals are used to distinguish between rulers with the same name. For example: Queen Elizabeth II (the second Queen Elizabeth). Similarly, in many fields such as Super Bowls and Olympic Games, page numbering and outlines, Tarot Cards, watching movies, or even in chemistry, bio, computer, physics, English books are used. The largest number that can be expressed in Roman numerals is 3,999 (MMMCMXCIX), and there is no symbol for zero in Roman numerals.

You can use our simple and user friendly Roman numerals converter to convert numbers to Roman numerals, and also convert Roman numerals to numbers. It is quite helpful for you, you can easily solve your problems.

what are roman numberals?

Roman numerals are letters that represent numbers, such as I = 1, V = 5, X = 10, L = 50, C = 100, D = 500, and M = 1000. And the value that is formed by combining them in a specific way is as follows: II = 2 (I + I), IV = 4 (V – I), IX = 9 (X – I), XL = 40 (L – X), XC = 90 (C – X), CD = 400 (D – C), and CM = 900 (M – C). Roman numerals have 4 types of rules: addition, subtraction, repetition rule, and no zero value. It is used to count and keep records, such as recording dates, using in trade and business, etc.

Roman Numerals Symbol	Numbers
I	1
V	5
X	10
L	50
C	100
D	500
M	1000

Roman Numerals Symbol	Numbers
I	1
II	2
III	3
IV	4
V	5
VI	6
VII	7
VIII	8
IX	9
X	10

Roman Numerals Symbol	Numbers
X	10
XX	20
XXX	30
XL	40
L	50
LX	60
LXX	70
VXXX	80
XC	90
C	100

To read roman numerals

Once you learn the basic rules of reading Roman numerals, you will be able to read them very easily. Start reading Roman numerals from left to right. If a small sign comes before a large sign, subtract its value (e.g. IV, 5 – 1 = 4). If a small sign comes after a large sign, add its value (e.g. VI, 5 + 1 = 6). In the same way, you will learn to read it. And let me tell you another example: MMXXV = M (1000) + M (1000) + X (10) + X (10) + V (5) = 2025.

roman numeral used today

Roman numerals are still used by many people in 2025. Some people use them in tattoos to remember dates. It is also used in the chapter names of our books, and whether it is a wrist watch or a wall clock, both use Roman numerals. We see them every day, and some people even use them in jewelry. Roman numerals are still an important part of our lives today because of their historical significance and aesthetic beauty.

How to Convert Numbers to Roman Numerals

Converting numbers to Roman is very easy, if you do it this way, you will easily convert the numbers from it. First of all, you have to take any value, like I just took 2023. Now we will split it: 1000 + 1000 + 10 + 10 + 1 + 1 + 1. Now we will replace each part with the value in Roman, like: 1000 = M, 1000 = M, 10 = X, 10 = X, 1 = I, 1 = I, 1 = I. And now the value I is MMXXIII. And if you have a value of 4 or 9, you can replace it with 4 = IV (5 – 1), 9 = IX (10 – 1). In this way, you can easily convert all numbers to Roman numerals.

how to convert roman numerals to numbers

Before converting Roman numerals to numbers, you need to remember these values that I mentioned: I = 1, V = 5, X = 10, L = 50, C = 100, D = 500, and M = 1000. With these values, you can easily find any number. For example, let’s take the first example: MMXXIII.

M (1000) + M (1000) = 2000
I (1) + I (1) + I (1) = 3
X (10) + X (10) = 20

We converted it to numbers in 3 steps. Now add them (+): 2000 + 20 + 3 = 2023. As you practice, this will become easier for you.

Roman Numerals Symbols chart in dece,octa,hexa,numeric,unicode

This is the roman numerals chart html value of decimal ,octal, hexa unicode . and also i breakdown the value so easily understand the numbers

Symbol	Word Form	Numeric	decimal	ocatal	hexal	unicode	breakdown value
I	One	1	1	=	1	1	1
II	Two	2	2	>	2	2	1 + 1
III	Three	3	3	?	3	3	1 + 1 + 1
IV	Four	4	4	@	4	4	5 – 1
V	Five	5	5	A	5	5	5
VI	Six	6	6	B	6	6	5 + 1
VII	Seven	7	7	C	7	7	5 + 1 + 1
VIII	Eight	8	8	F	8	8	5 + 1 + 1 + 1
IX	Nine	9	9	G	9	9	10 – 1
X	Ten	10	:	H	:	:	10
XI	Eleven	11	;	I	;	;	10 + 1
XII	Twelve	12	<	J	<	<	10 + 1 + 1
XIII	Thirteen	13	=	K	=	=	10 + 1 + 1 + 1
XIV	Fourteen	14	>	L	>	>	10 + (5 – 1)
XV	Fifteen	15	?	M	?	?	10 + 5
XVI	Sixteen	16	@	d	@	@	10 + 5 + 1
XVII	Seventeen	17	A	ª	A	A	10 + 5 + 1 + 1
XVIII	Eighteen	18	B	Ö	B	B	10 + 5 + 1 + 1 + 1
XIX	Nineteen	19	C	ü	C	C	10 + (10 – 1)
XX	Twenty	20	D	Ķ	D	D	10 + 10
XXV	Twenty five	25	D	Ŵ	I	I	10 + 10 + 5
XXX	Thirty	30	N	ǆ	N	N	10 + 10 + 10
XXXV	Twenty five	35	S	S	{	S	10 + 10 + 10 + 5
XL	Forty	40	X	X		X	50 – 10
XLV	Forty five	45	]	]		]	50 – 10 + 5
L	Fifty	50	b	b		P	50
C	One hundred	100	C	C		C	100
CXX	One Twenty	120	x	ª	x	x	100 + 10 + 10
CXL	One Hundred Forty	140		Ö			100 + (50 – 10)
CLXX	One Hundred Seventy	170	ª	ü	ª	ª	100 + 50 + 10 + 10
CC	Two Hundred	200	È	Ķ	È	È	100 + 100
CCL	Two Hundred Fifty	250	ú	Ŵ	ú	ú	100 + 100 + 50
CCC	Three Hundred	300	Ĭ	ǆ	Ĭ	Ĭ	100 + 100 + 100
CCCL	Three Hundred Fifty	350	Ş	Ș	Ş	Ş	100 + 100 + 100 + 50
CD	Four Hundred	400	Ɛ	ɬ	Ɛ	Ɛ	500 – 100
DC	Six Hundred	600	ɘ	і	ɘ	ɘ	500 + 100
DCCC	Eight Hundred	800	̠	֠	̠	̠	500 + 100 + 100 + 100
M	One Thousand	1000	Ϩ	ۖ	Ϩ	Ϩ	1000
MM	Two Thousand	2000	ߐ	ຈ	ߐ	ߐ	1000 + 1000
MMM	Three Thousand	3000	ஸ	ᙄ	ஸ	ஸ	1000 + 1000 + 1000
MMMM	Four Thousand	4000	ྠ	Ḕ	ྠ	ྠ	5000 – 1000
MMMMM	Five Thousand	5000	ᎈ	ⷦ	ᎈ	ᎈ	5,000

Roman Numerals Examples

The Beatles’ album “Sgt. Pepper’s Lonely Hearts Club Band,” one of the most influential albums in music history, was released in 1967. It is written as MCMLXVII in Roman numerals.

The Apollo 11 mission, which landed the first humans on the Moon, took place in 1969. This historic year is written as MCMLXIX in Roman numerals.

The fall of the Berlin Wall, a pivotal event in world history, occurred in 1989. It is written as MCMLXXXIX in Roman numerals.

The first iPhone, a revolutionary device that changed the tech industry, was introduced by Apple in 2007. This year is written as MMVII in Roman numerals.

The Titanic, the famous ship that sank on its maiden voyage, set sail in 1912. This year is written as MCMXII in Roman numerals.

The first modern Olympic Games were held in 1896 in Athens, Greece. This year is written as MDCCCXCVI in Roman numerals.

The Declaration of Independence of the United States was signed in 1776. This year is written as MDCCLXXVI in Roman numerals.

The first Harry Potter book, “Harry Potter and the Philosopher’s Stone,” was published in 1997. This year is written as MCMXCVII in Roman numerals.

The first Star Wars movie, “Episode IV: A New Hope,” was released in 1977. This year is written as MCMLXXVII in Roman numerals.

The Wright brothers’ first successful airplane flight took place in 1903. This year is written as MCMIII in Roman numerals.

The first successful climb of Mount Everest by Sir Edmund Hillary and Tenzing Norgay took place in 1953. This year is written as MCMLIII in Roman numerals.

The end of World War II, a major turning point in global history, occurred in 1945. This year is written as MCMXLV in Roman numerals.

The first man in space, Yuri Gagarin, made his historic flight in 1961. This year is written as MCMLXI in Roman numerals

The founding of Google, one of the most influential tech companies in the world, happened in 1998. This year is written as MCMXCVIII in Roman numerals.

The first Super Bowl, the championship game of the National Football League (NFL), was held in 1967. This year is written as MCMLXVII in Roman numerals.

Where Are Roman Numerals Used? A Complete Guide

Roman Numerals in Monarchs

Charles IV was the Holy Roman Emperor from 1355 to 1378. He played a key role in shaping medieval Europe and was born in 1316.

Queen Victoria I of the United Kingdom ruled from 1837 to 1901, during a period known as the Victorian Era, marked by industrial, cultural, and scientific progress.

Peter I, also known as Peter the Great, was the Tsar of Russia who modernized the country and founded the city of Saint Petersburg. He ruled from 1682 to 1725.

Frederick II, also called Frederick the Great, was the King of Prussia from 1740 to 1786. He was known for his military victories and reforms.

Catherine II, known as Catherine the Great, was the Empress of Russia from 1762 to 1796. She expanded the Russian Empire and promoted the arts and education.

William I, also known as William the Conqueror, was the first Norman King of England. He ruled from 1066 to 1087 and is famous for the Norman Conquest.

Philip II was the King of Spain from 1556 to 1598. He ruled during the height of the Spanish Empire and was known for his strong Catholic faith.

Napoleon I, also known as Napoleon Bonaparte, was the Emperor of France from 1804 to 1814. He is remembered for his military genius and the Napoleonic Wars.

Roman Numerals in Olympic Games

The Olympic Games use Roman numerals to show which edition of the games it is. For example, the 2020 Tokyo Olympics was the XXXII Olympiad (32nd edition). I wil share some more examples

The Games of the XXIX Olympiad (i.e., 29th), also known as the 2008 Summer Olympics, were held in Beijing, China. This event showcased iconic moments like Usain Bolt’s world records.

The XVII Olympic Winter Games (i.e., 17th), also known as the 1994 Winter Olympics, took place in Lillehammer, Norway. It was the first Winter Olympics held two years apart from the Summer Games.

The Games of the XVI Olympiad (i.e., 16th), also known as the 1956 Summer Olympics, were held in Melbourne, Australia. It was the first Olympics hosted in the Southern Hemisphere.

The XXI Olympic Winter Games (i.e., 21st), also known as the 2010 Winter Olympics, were held in Vancouver, Canada. This event featured memorable performances in ice hockey and figure skating.

The Games of the XX Olympiad (i.e., 20th), also known as the 1972 Summer Olympics, took place in Munich, West Germany. This event is remembered for both athletic achievements and the tragic Munich massacre.

The X Olympic Winter Games (i.e., 10th), also known as the 1968 Winter Olympics, were held in Grenoble, France. It was the first Olympics to feature a mascot, named “Schuss.”

The Games of the V Olympiad (i.e., 5th), also known as the 1912 Summer Olympics, were held in Stockholm, Sweden. This event introduced electronic timing and the use of a public address system.

The XXIV Olympic Winter Games (i.e., 24th), also known as the 2022 Winter Olympics, were held in Beijing, China. It was the first city to host both the Summer and Winter Olympics.

Hollywood Filmmakers Using Roman Numerals in Movies & Film

The Fast & Furious movie series, known for its high-speed action and car chases, uses Roman numerals for some of its sequels: Fast & Furious 6 is written as Furious 6, and Fast & Furious 7 is written as Furious 7.

The Final Destination horror movie series, which focuses on characters escaping death, uses Roman numerals for its sequels: Final Destination 2, Final Destination 3, Final Destination 4, and Final Destination 5.

The Harry Potter movie series, based on the books by J.K. Rowling, uses Roman numerals for its later titles: Harry Potter and the Half-Blood Prince is sometimes referred to as Harry Potter VI, and Harry Potter and the Deathly Hallows – Part 2 is called Harry Potter VIII.

The Mission: Impossible action movie series, starring Tom Cruise, uses Roman numerals for its sequels: Mission: Impossible II, Mission: Impossible III, and so on.

The Pirates of the Caribbean adventure movie series, inspired by the Disney theme park ride, uses Roman numerals for its sequels: Pirates of the Caribbean: Dead Man’s Chest is sometimes called Pirates of the Caribbean II, and Pirates of the Caribbean: At World’s End is called Pirates of the Caribbean III.

The Friday the 13th horror movie series, which revolves around the infamous character Jason Voorhees, uses Roman numerals for its sequels: Friday the 13th Part II, Friday the 13th Part III, Friday the 13th Part IV: The Final Chapter, and so on. This helps fans easily identify the order of the movies and adds a classic, spooky vibe to the titles.

Roman numerals are used in books to number chapters, volumes, or sections, especially in formal or classic publications.

Book Chapters or Volumes

Introduction – Many books use Roman numerals for introductory sections, like Introduction I , to separate them from the main chapters.

Volume Numbers – In multi-volume works, Roman numerals indicate the volume, such as Volume I, Volume II, or Volume III.

Chapter Headings – Some books use Roman numerals for chapters, like Chapter IV or Chater IX.

Appendices – Appendices are often labeled with Roman numerals, such as Appendix I or Appendix II.

Act and Scene Numbers – In plays or scripts, acts and scenes are sometimes numbered with Roman numerals, like Act III, Scene II.

Special Editions – Books with special editions or anniversary releases may use Roman numerals, such as Edition X or Anniversary Volume V.

Historical Events

The Fall of the Roman Empire (476 AD) – Written as CDLXXVI, this event marked the end of ancient Rome.

The Signing of the Magna Carta (1215) – Written as MCCXV, this charter laid the foundation for modern democracy.

The French Revolution (1789) – Written as MDCCLXXXIX, this event ended the monarchy in France.

The American Declaration of Independence (1776) – Written as MDCCLXXVI, this document declared the U.S. independence from Britain.

The End of World War I (1918) – Written as MCMXVIII, this marked the conclusion of the Great War.

The First Moon Landing (1969) – Written as MCMLXIX, this event was a milestone in space exploration.

Astronomy in roman numerals

Roman numerals are often used in astronomy to name moons, asteroids, and other celestial objects. This helps scientists organize and identify them systematically.

Jupiter’s Moons – The four largest moons of Jupiter, discovered by Galileo, are named Io (I), Europa (II), Ganymede (III), and Callisto (IV).

Saturn’s Moons – Saturn’s moons are also numbered with Roman numerals, such as Titan (VI) and Rhea (V).

Asteroids – Some asteroids are designated with Roman numerals, like 4 Vesta or 16 Psyche, to indicate their order of discovery.

Star Systems – In multiple star systems, Roman numerals are used to label stars, such as Alpha Centauri A (I) and Alpha Centauri B (II).

Galaxies – Roman numerals are sometimes used to classify galaxies in clusters, like M87 (I) in the Virgo Cluster.

Comets – Comets are occasionally labeled with Roman numerals to indicate their discovery sequence, such as Comet Hale-Bopp (C/1995 O1).

Roman Numerals in Major Arcana Cards

I The Magician – Symbolizes willpower, manifestation, creativity.
II The High Priestess – Represents intuition, mystery, hidden knowledge.
III The Empress – Symbolizes abundance, nurturing, creativity.
IV The Emperor – Represents authority, stability, leadership.
V The Hierophant – Symbolizes tradition, spirituality, guidance.
VI The Lovers – Represents love, harmony, choices.
VII The Chariot – Symbolizes determination, victory, focus.
VIII Justice – Represents fairness, balance, truth.
IX The Hermit – Symbolizes wisdom, introspection, solitude.
X The Wheel of Fortune – Represents change, cycles, destiny.
XI Strength – Symbolizes courage, inner strength, compassion.
XII The Hanged Man – Represents surrender, new perspectives, patience.
XIII Death – Symbolizes transformation, endings, rebirth.
XIV Temperance – Represents balance, harmony, moderation.
XV The Devil – Symbolizes temptation, bondage, materialism.
XVI The Tower – Represents upheaval, revelation, sudden change.
XVII The Star – Symbolizes hope, inspiration healing.
XVIII The Moon – Represents intuition, dreams, subconscious.
XIX The Sun – Symbolizes joy, success, clarity.
XX Judgement – Represents awakening, rebirth, reflection.
XXI The World – Symbolizes completion, fulfillment, unity.

Music Theory

In music theory, Roman numerals are used to represent chords in a scale. Uppercase numerals (I, IV, V) show major chords, and lowercase numerals (ii, iii, vi) show minor chords. For example, in the key of C major:
I = C major
ii = D minor
V = G major
This system helps musicians analyze and understand chord progressions easily.

Watch Time Numbers in Roman Numerals

Many watches and clocks use Roman numerals to show the hours. I = 1, II = 2, III = 3, IV = 4, V = 5, VI = 6, VII = 7, VIII = 8, IX = 9, X = 10, XI = 11, XII = 12
Some watches use IIII instead of IV for 4, which is a traditional style to balance the design.

Apple Chose “X” for the iPhone’s 10th Anniversary

In 2017, Apple released the iPhone X to celebrate the 10th anniversary of the iPhone. Instead of calling it the “iPhone 10,” they used the Roman numeral X, which stands for 10. This made the phone feel special and unique.The iPhone X introduced features like Face ID and an edge-to-edge OLED display, setting a new standard for smartphones.

other numerals converter

Date of Birth Converter is a very helpful tool. You write your date of birth with the day, month, and year, and it will convert it into roman numeral date converter for you. This is also quite helpful, especially if you need to write your date of birth in Roman numerals, such as for a tattoo or to use on a special occasion. Such converters make working much easier and reduce the possibility of errors.

roman numerals chart

Roman numeral charts which are widely used in mathematics, such as 1-50, 1-100, 1-500, 1-1000 and so on, all these charts are very helpful in mathematics. You can get all these charts from our website. We have prepared all these charts for you to make it convenient for you.

Roman Numerals Chart 1-50
Roman Numerals Chart 1-100
Roman Numerals Chart 1-500
Roman Numerals Chart 1-1000