Number to Roman Numerals
Convert whole numbers from 1 to 3,999 into standard Roman numerals.
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How to use this tool
Enter an integer between 1 and 3,999, then select Convert.
Important to know
Convert whole numbers from 1 to 3,999 into standard Roman numerals.
Standard subtractive notation is used. Zero, negatives and values above 3,999 are not supported.
Formula and methodology
Greedily subtract the largest Roman value, including IV, IX, XL, XC, CD and CM.
Example
2026 becomes MMXXVI.
Frequently asked questions
Why is 4 written IV?
Standard subtractive notation places I before V to mean one less than five.