算数
Decimal to Roman Numeral Converter
Instantly convert decimal numbers to Roman numerals with our easy-to-use online tool. Perfect for students, historians, and anyone needing quick Roman numeral conversions.
Enter Decimal Number
Roman Numeral
Visual Representation
Decimal Input
Roman Numeral Output
About Roman Numerals
Roman numerals are a numeral system that originated in ancient Rome and remained the usual way of writing numbers throughout Europe well into the Late Middle Ages. Numbers in this system are represented by combinations of letters from the Latin alphabet.
The symbols are I, V, X, L, C, D, and M, standing respectively for 1, 5, 10, 50, 100, 500, and 1,000. Numbers are formed by combining these symbols and adding the values, with certain rules for subtractive notation (e.g., IV for 4, IX for 9).
- Basic Symbols: I, V, X, L, C, D, M
- Values: 1, 5, 10, 50, 100, 500, 1000 respectively
- Range of this converter: 1 to 3999 (due to limitations in traditional Roman numeral representation)
- Use Cases: Clock faces, book numbering, historical dates, and more.
Learn more about Roman numerals on Wikipedia.