Number to Roman Numerals

Roman numerals to numbers and numbers to Roman numerals conversions are also possible.

To convert numbers from 1 to 3,999,999 into Roman numerals, use this converter. You can also enter a Roman number to retrieve the equivalent Arabic number value.


Letters are used to represent numbers in the ancient Roman numeral system, or roman numerals. The letters I, V, X, L, C, D, and M are used in modern Roman numerals.


Use the table below as converter inputs to convert Roman numerals higher than 3,999. Roman numerals with an overline should be entered using a leading underline character. Roman numerals that have a line above them have been multiplied by 1,000.


For instance, to use overlines


C = 100,000. Enter C as _C in the converter.

Enter CM where CM = 900,000.

Roman numerals are a system of numbers that were first used in ancient Rome and continued to be widely used in Europe well into the Late Middle Ages. Combinations of Latin alphabetic letters serve as the representation of numbers in this system. Seven symbols, each with a set integer value, are used in modern style: [1]

Symbol I V X L C D M

Value 1 5 10 50 100 500 1000

Long after the Roman Empire's fall, Roman numerals were still in use. Roman numbers started to be gradually displaced by Arabic numerals starting in the 14th century, however some applications still use Roman numerals today.


On clock faces, for example, they are frequently observed. For

We care about your data and would love to use cookies to improve your experience.