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Formula
Repeated subtraction: M(1000), D(500), C(100), L(50), X(10), V(5), I(1)
Example
2024 โ MMXXIV | 1999 โ MCMXCIX
Frequently Asked Questions
Why is 4 written as IV not IIII?
The subtractive principle โ a smaller value before a larger one is subtracted.
What is the largest Roman numeral?
3999 = MMMCMXCIX. 4000+ requires a bar over M.
Are Roman numerals still used?
Yes โ clocks, chapters, movie sequels, Super Bowl, year of production.