Roman Numerals: 9

How to Convert 9 into Roman Numerals

Roman numerals are made up of seven letters: I (1), V (5), X (10), L (50), C (100), D (500), and M (1000). To write a number like 9, we combine these letters starting from the largest value and working down to the smallest.

Let’s break 9 into parts and build the Roman numeral step by step:

9 fits into what’s left of the number one time.
That means we add IX to our Roman numeral because one × nine equals 9.

Final Answer

After combining all the parts, the Roman numeral for 9 is:

IX


Tip: If a smaller numeral appears before a larger one (like IV), it means you subtract. If a smaller one comes after a larger one (like VI), it means you add. You’ll see both styles when needed.

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