Roman Numeral Converter
Convert between regular numbers (1-3999) and Roman numerals in both directions.
How to Use Roman Numeral Converter
1
Enter a regular number or Roman numeral
2
The converter automatically detects the input type
3
View the converted result
Key Features
Bidirectional conversion
Input validation
Range: 1 to 3999
Tips & Tricks
Roman numerals are used in clocks, outlines, and movie sequels
Valid range is I (1) to MMMCMXCIX (3999)
Frequently Asked Questions
Traditional Roman numerals don't have a standard representation for 4000 and above. The system using I, V, X, L, C, D, M maxes out at MMMCMXCIX (3999).