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Roman Numeral to Number Converter

Convert Roman numerals to numbers instantly. This tool supports all valid Roman numerals representing numbers from 1 to 3999. Perfect for students, historians, or anyone working with Roman numerals.


Frequently Asked Questions

What are Roman numerals?
Roman numerals are a number system that originated in ancient Rome, using combinations of letters (I, V, X, L, C, D, M) to represent numbers. Each letter represents a specific value that can be combined to form larger numbers.
What is the range of numbers supported?
This converter supports numbers from 1 to 3999, which is the traditional range for Roman numerals. Numbers outside this range cannot be accurately represented in standard Roman numeral notation.
How do I use this converter?
Simply enter either a number (1-3999) or a Roman numeral in the input field. The converter will instantly show you the corresponding value in the other format. You can switch between conversion modes using the provided links.
What are the basic Roman numeral symbols?
The basic Roman numeral symbols are: I (1), V (5), X (10), L (50), C (100), D (500), and M (1000). These symbols are combined following specific rules to represent different numbers.
Are Roman numerals still used today?
Yes, Roman numerals are still used in various contexts today, including book chapters, clock faces, movie copyright dates, and formal documents. They're also commonly used in outline formatting and to denote suffixes in names.