11 in Roman numerals

The number 11 is written in Roman numerals like this: XI

XI = 11

How to write 11 in Roman numerals

Split the number by place value and write each part in Roman numerals:

• 10 = X
• 1 = I

Put the parts together: X + I = XI.

Going the other way? See the Roman numeral XI.

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10 in Roman numerals: X

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12 in Roman numerals: XII

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