Roman numerals | information and tools to convert Roman numerals

Roman Numerals

Roman Numerals, also known as "Roman Numeral System" were created as the name implies, by the Romans to facilitate the sales and trade in daily life. After the fall of the Roman Empire, Roman numerals we no longer used for commerce, however they remain in place today and are commonly integrated in the design of watch and clock faces, for listing book chapters, sequels in movies ant the naming of centuries, successors of royalty, emperors and popes. They are sometimes used in legal and academic papers too.

How to convert Roman numerals

Our Roman numeral conversion tools allow you to convert easily and quickly any Arabic numbers (better known as decimals, natural or normal numbers) to Roman numerals and vice versa. You can also convert to Roman numerals any date in any format you need.

At each step we will explain how to use the roman numeral converters to get the most out of them. If you find them useful, you can recommend and share them with friends and colleagues by clicking the "Like" button to help us reach more people, so in the future nobody will have any problems translating Roman numerals ever again.

Numerical representation

Roman numerals are represented by 7 letters of the alphabet: I, V, X, L, C, D y M, with a value of 1, 5, 10, 50, 100, 500 and 1000 respectively. Using a combination of these seven characters can result in thousands of numbers, for example:

  • 3 is equivalent to III; which it is basically three letters I’s combined.
  • 13 is equivalent to XIII; combining the value of X=10 + III=3.
  • 28 is equivalent to XXVIII; resulting from the combination of XX = 20 + V = 5 + III = 3.