Instantly convert any decimal number to Roman numerals or translate Roman numerals back into standard numbers. Perfect for tattoos, copyright years, or history homework.
Quick Roman Numeral Chart
How do Roman Numerals work?
Roman numerals use combinations of letters from the Latin alphabet to signify values. The system involves additive and subtractive notation.
Rules & Formulae
Frequently Asked Questions
Roman numerals are a numeral system that originated in ancient Rome. They use combinations of letters from the Latin alphabet (I, V, X, L, C, D, M) to signify values.
2024 in Roman numerals is MMXXIV. MM = 2000, XX = 20, IV = 4.
In standard form, the highest number that can be written without a vinculum (overline) is 3,999 (MMMCMXCIX). Larger numbers are achieved by adding lines over the letters to multiply by 1,000, or simply by repeating M extensively.
To avoid having four identical characters in a row, subtractive notation is used. I (1) placed before V (5) subtracts 1 from 5, making 4.
The number 1000 is written as M in Roman numerals.
The number 500 is represented by the letter D.
Yes, they are commonly used in clock faces, movie sequels (e.g., Star Wars Episode IV), book chapters, and to denote the year of creation on monuments and public buildings.