Roman Numeral Converter
Convert any number from 1 to 3999 into Roman numerals instantly. Roman numerals use seven letters — I, V, X, L, C, D, and M — combined according to specific rules.
Roman Numeral Converter
math calculator
How It Works
Formula
I=1, V=5, X=10, L=50, C=100, D=500, M=1000
Examples
Convert 2025
2025 in Roman numerals is MMXXV.
Frequently Asked Questions
How do Roman numerals work?
Roman numerals combine seven letters. Symbols are added when a larger or equal value precedes a smaller one (VI=6), and subtracted when a smaller precedes a larger (IV=4).
What is the largest Roman numeral?
Using standard notation, the largest number is 3,999 (MMMCMXCIX). Larger numbers require a bar notation (vinculum) that multiplies values by 1,000.
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