Maths & numbers

Roman numeral converter

Convert whole numbers and canonical Roman numerals.

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Uses canonical subtractive notation (IV, IX, XL, XC, CD, CM) for integers 1–3999. Rejects non-canonical input such as IIII or IC. Roman numerals have no zero in this convention.

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Worked example

A fixed demonstration, separate from the values you enter above.

Number or Roman numeral: 2026
Direction: Number → Roman numerals

Example result

MMXXVI

Roman numeral converter

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Your result

A clear answer. Here’s how.

Worked example

Example result

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