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Roman Numeral Converter
To use prepostseo Roman Numerals Converter, Enter Roman Numeral or Decimal number and click on Convert Button.
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Roman Numeral Generator
Our Roman numeral converter allows you to enter Roman numerals or numbers in the form of conventional decimal form and change them directly. Prepostseo roman numerals converter is the best tool for online roman numeral conversion.
You’ll not find any roman numeral translator as compared to our roman numerals calculator. It allows users to enter Roman numerals and on clicking “Convert” button, it will convert roman numerals and gives perfect answer. Similarly, if you want to convert to Roman numerals of any decimal number, you can enter the decimal number in that particular section. Roman to English will do a magic. It will convert roman numerals to numbers and numbers to roman numerals. Not only this, it produces and roman to English as well.
What symbol is used for Roman numerals?
1 in Roman is I
5 in Roman is V
10 in Roman is X
50 in Roman is L
100 in Roman is C
500 in Roman is D
1000 in Roman is M
You will see a pattern. Roman numbers have values corresponding to the units of values of places one and five, so there are two Roman symbols corresponding to the number of places (I and V, each for 1 and 5), two for ten places (X and L for 10 and 50) and two for hundred (C and D for 100 and 500).
Like other lists of random information, you can use mnemonics to try to memorize symbols and values. If you memorize the sentence "I Value Xylophones Like Cows Dig Milk,” the first letter of each word corresponds to the value of each symbol in Roman numerals in the order
(I = 1, V = 5, X = 10, L = 50, C = 100, D = 500, M = 1000).
Use a Roman numeral converter
You can see how Roman numerals converter is useful in converting Roman numeral numbers into decimal numbers. Similarly, Roman numeral generator is easy to use and its interface is highly user-friendly for roman numeral translation.
It works in two ways. If you enter Roman numbers, it will convert them to Decimal numerals or roman to integer. On the other hand, if you’ll enter decimal numbers, it will convert them into roman numerals.
Invalid Roman numerals will be rejected. For example, the Roman numeral "IIII" is not a valid representation for the number four (the correct Roman numeral is "IV"). When you’ll enter “IIII”, the converter will show the result “INVALID”.
In the same way, Decimal numbers entered in the converter will be converted directly into appropriate Roman numerals. Unlike Roman numerals, it is quite difficult to enter invalid numbers in the Decimal system, but the converter only supports values of up to 3,999. Therefore, the value you enter above will be reduced to one thousand until it falls below that number.
Converting numbers into Roman numeral is interesting, but if even after playing with this converter, you could always ask yourself: "Why do we need to know the Roman numerals?"
We must understand where the Roman numbers come from and why they are still part of everyday life.
Where are Roman numerals used today?
You can find Roman numeric system in different places today, not only in Rome! You will often see Roman numerals where someone is trying to do something that seems more formal. It is not uncommon to see Roman numerals appear on copyright dates, chapters or section titles in documents or for important events such as the Olympic Games or the Super Bowl.
You’ll see Roman dates written on different places. Generally, it’s not easy to convert today’s decimal date version into Roman dates. However, our Roman numerals date converter can do this task for you in a jiffy!
If a person has the same name as their ancestors, the Roman numeric will be used as suffixes to distinguish the person from their parents, so that the name can be transmitted from generation to generation. So you'll see people who have "III" or "IV" at the end of their name to show who they are. Let’s see of an example of this. George IV was King of the United Kingdom of Great Britain and Ireland and King of Hanover following the death of his father, King George III. His name was George IV because his father’s and forefather’s name was George too.
Roman numeric system still appear often in scientific applications, including the identification of periods in the periodic table of elements and the identification of the number of oxidation ions.
It is also very common to see Latin numerals in analog quadrants, especially large clocks in old buildings. It can be a great opportunity to learn Roman numerals and read the time!
So, how are you going to use Roman numbers using our Roman numeral converter tool?
Roman numerals chart
| Number | Roman Numeral | Calculation |
|---|---|---|
| 0 | not defined | |
| 1 | I | 1 |
| 2 | II | 1+1 |
| 3 | III | 1+1+1 |
| 4 | IV | 5-1 |
| 5 | V | 5 |
| 6 | VI | 5+1 |
| 7 | VII | 5+1+1 |
| 8 | VIII | 5+1+1+1 |
| 9 | IX | 10-1 |
| 10 | X | 10 |
| 11 | XI | 10+1 |
| 12 | XII | 10+1+1 |
| 13 | XIII | 10+1+1+1 |
| 14 | XIV | 10-1+5 |
| 15 | XV | 10+5 |
| 16 | XVI | 10+5+1 |
| 17 | XVII | 10+5+1+1 |
| 18 | XVIII | 10+5+1+1+1 |
| 19 | XIX | 10-1+10 |
| 20 | XX | 10+10 |
| 21 | XXI | 10+10+1 |
| 22 | XXII | 10+10+1+1 |
| 23 | XXIII | 10+10+1+1+1 |
| 24 | XXIV | 10+10-1+5 |
| 25 | XXV | 10+10+5 |
| 26 | XXVI | 10+10+5+1 |
| 27 | XXVII | 10+10+5+1+1 |
| 28 | XXVIII | 10+10+5+1+1+1 |
| 29 | XXIX | 10+10-1+10 |
| 30 | XXX | 10+10+10 |
| 31 | XXXI | 10+10+10+1 |
| 32 | XXXII | 10+10+10+1+1 |
| 33 | XXXIII | 10+10+10+1+1+1 |
| 34 | XXXIV | 10+10+10-1+5 |
| 35 | XXXV | 10+10+10+5 |
| 36 | XXXVI | 10+10+10+5+1 |
| 37 | XXXVII | 10+10+10+5+1+1 |
| 38 | XXXVIII | 10+10+10+5+1+1+1 |
| 39 | XXXIX | 10+10+10-1+10 |
| 40 | XL | -10+50 |
| 41 | XLI | -10+50+1 |
| 42 | XLII | -10+50+1+1 |
| 43 | XLIII | -10+50+1+1+1 |
| 44 | XLIV | -10+50-1+5 |
| 45 | XLV | -10+50+5 |
| 46 | XLVI | -10+50+5+1 |
| 47 | XLVII | -10+50+5+5+1 |
| 48 | XLVIII | -10+50+5+1+1+1 |
| 49 | XLIX | -10+50-1+10 |
| 50 | L | 50 |
| 51 | LI | 50+1 |
| 52 | LII | 50+1+1 |
| 53 | LIII | 50+1+1+1 |
| 54 | LIV | 50-1+5 |
| 55 | LV | 50+5 |
| 56 | LVI | 50+5+1 |
| 57 | LVII | 50+5+1+1 |
| 58 | LVIII | 50+5+1+1+1 |
| 59 | LIX | 50-1+10 |
| 60 | LX | 50+10 |
| 61 | LXI | 50+10+1 |
| 62 | LXII | 50+10+1+1 |
| 63 | LXIII | 50+10+1+1+1 |
| 64 | LXIV | 50+10-1+5 |
| 65 | LXV | 50+10+5 |
| 66 | LXVI | 50+10+5+1 |
| 67 | LXVII | 50+10+5+1+1 |
| 68 | LXVIII | 50+10+5+1+1+1 |
| 69 | LXIX | 50+10-1+10 |
| 70 | LXX | 50+10+10 |
| 71 | LXXI | 50+10+10+1 |
| 72 | LXXII | 50+10+10+1+1 |
| 73 | LXXIII | 50+10+10+1+1+1 |
| 74 | LXXIV | 50+10+10-1+5 |
| 75 | LXXV | 50+10+10+5 |
| 76 | LXXVI | 50+10+10+5+1 |
| 77 | LXXVII | 50+10+10+5+1+1 |
| 78 | LXXVIII | 50+10+10+5+1+1+1 |
| 79 | LXXIX | 50+10+10-1+5 |
| 80 | LXXX | 50+10+10+10 |
| 81 | LXXXI | 50+10+10+10+1 |
| 82 | LXXXII | 50+10+10+10+1+1 |
| 83 | LXXXIII | 50+10+10+10+1+1+1 |
| 84 | LXXXIV | 50+10+10+10-1+5 |
| 85 | LXXXV | 50+10+10+10+5 |
| 86 | LXXXVI | 50+10+10+10+5+1 |
| 87 | LXXXVII | 50+10+10+10+5+1+1 |
| 88 | LXXXVIII | 50+10+10+10+5+1+1+1 |
| 89 | LXXXIX | 50+10+10+10-1+10 |
| 90 | XC | 100-10 |
| 91 | XCI | 100-10+1 |
| 92 | XCII | 100-10+1+1 |
| 93 | XCIII | 100-10+1+1+1 |
| 94 | XCIV | 100-10-1+5 |
| 95 | XCV | 100-10+5 |
| 96 | XCVI | 100-10+5+1 |
| 97 | XCVII | 100-10+5+1+1 |
| 98 | XCVIII | 100-10+5+1+1+1 |
| 99 | XCIX | 100-10-1+10 |
| 100 | C | 100 |
| 200 | CC | 100+100 |
| 300 | CCC | 100+100+100 |
| 400 | CD | 500-100 |
| 500 | D | 500 |
| 600 | DC | 500+100 |
| 700 | DCC | 500+100+100 |
| 800 | DCCC | 500+100+100+100 |
| 900 | CM | 1000-100 |
| 1000 | M | 1000 |
| 5000 | V | |
| 10000 | X | |
| 50000 | L | |
| 100000 | C | |
| 500000 | D | |
| 1000000 | M |
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