Convert between Roman numerals and Arabic numbers instantly. Supports numbers from 1 to 3999.
Frequently Asked Questions
What are Roman numerals?
Roman numerals are a numeral system originating in ancient Rome, using combinations of letters from the Latin alphabet (I, V, X, L, C, D, M) to represent values.
What is the largest number that can be represented?
Standard Roman numerals can represent numbers from 1 to 3999. For larger numbers, a bar was placed over a numeral to multiply it by 1000, but this converter supports the standard range.
What are the basic Roman numeral symbols?
The basic symbols are: I=1, V=5, X=10, L=50, C=100, D=500, M=1000. Numbers are formed by combining these symbols and adding/subtracting values.
Where are Roman numerals still used today?
Roman numerals are still used on clock faces, in book chapters, for movie sequels (e.g., Rocky IV), on monuments, and for naming monarchs and popes (e.g., King Henry VIII).