๐๏ธ Roman Numeral Converter
Enter a value between 1 and 3999
MMXXVI
Convert Arabic numbers (1โ3999) to Roman numerals and back. Useful for figuring out what a Roman numeral on a clock face, in movie credits, or in a book's chapter number actually means.
How to use
- Choose the "Number โ Roman" or "Roman โ Number" tab.
- Enter the number or Roman numeral you want to convert.
- The converted result is shown automatically.
FAQ
What number range is supported?
Integers from 1 to 3999, since standard Roman numeral notation can't represent 4000 or higher with a single symbol set.
Does it recognize lowercase Roman numerals?
Yes, input is automatically converted to uppercase before being evaluated.
What happens if I enter an invalid Roman numeral?
An error is shown if the string doesn't follow standard Roman numeral notation.