Roman Numerals Converter

What is Roman Numeral Conversion

Roman numeral conversion is the process of converting numbers between the Roman numeral system and decimal (Arabic) numbers. Roman numerals use letters I, V, X, L, C, D, M to represent values 1, 5, 10, 50, 100, 500, 1000 respectively. This ancient number system is still used today in clocks, book chapters, movie sequels, and formal documents.

What is Online Roman Numerals Converter

An online Roman numerals converter is a web-based tool that converts numbers between Roman numerals and decimal format without downloading software. It provides real-time conversion with input validation, making it perfect for students, historians, designers, and anyone working with Roman numerals in academic or creative projects.

How to Convert Roman Numerals and Decimal

Select the conversion type (Roman to decimal or decimal to Roman), enter your number in the input field, and the tool will automatically convert and display the result. The converter validates input based on the selected format and shows errors for invalid entries. Roman numerals support values from 1 to 3999.