Roman Numerals Converter

Convert numbers to Roman numerals and Roman numerals back to numbers.

Number or numeral:

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How to use

Enter a number (1–3999) or a Roman numeral to convert both ways.

What is 2026 in Roman numerals?

MMXXVI.

What are the subtraction rules?

IV=4, IX=9, XL=40, XC=90, CD=400, CM=900 — smaller before larger subtracts.

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