Roman numerals: tables

Roman numerals were used in the non-positional number system of the ancient Romans. However, in our time, most countries use the decimal system, which consists of more familiar Arabic numerals.

In this article, we will list the designations of Roman numerals, consider how to type them using keyboard keys, give a table of correspondence between Roman and Arabic numbers from 1 to 1000. We will also analyze what they are and why we need the vinculum and the “Apostrophus” system, and how to write years and centuries in roman numerals.

Roman numeral notation

Roman numerals on the keyboard

For typing Roman numerals, uppercase letters in the English layout are used.

Correspondence table of Roman and Arabic numbers

Note: Roman numerals are quite often used to denote centuries (centuries) or, for example, on watch dials. Knowing and using the table above, there should be no difficulties with the perception of information in this form.

Vinculum (bridle)

A horizontal line (dash) above a Roman numeral indicating that it is multiplied by 1000.