Roman Numeral Converter is a free online tool that converts integers (1–3999) to Roman numerals and Roman numerals back to integers. Supports both conversion directions in a single tool.
Roman numerals are a numeral system originating in ancient Rome that uses combinations of letters (I, V, X, L, C, D, M) to represent values. They are still used today in clock faces, book chapters, movie sequels, and formal documents. This tool converts between the decimal and Roman numeral systems.
Roman Numeral Converter
Convert numbers to Roman numerals and Roman numerals back to numbers.
Number → Roman
Roman → Number
How to Use
- To convert a number to Roman: enter an integer between 1 and 3999 and click 'Convert to Roman'
- To convert Roman to a number: enter a Roman numeral string and click 'Convert to Number'
- The result appears instantly below each input
- Copy the output as needed
Example
Input
2024
Output
MMXXIV
FAQ
- What range of numbers does this tool support?
- This tool supports integers from 1 to 3999, which is the standard range for Roman numerals.
- Is this tool free?
- Yes, it is completely free with no registration required.
- Does this tool run in the browser?
- Yes, all conversions happen locally in your browser with no data sent to a server.