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10 in Roman Numerals

How to write the number 10 in Roman numerals, with the full place-value breakdown.

The number 10 in Roman numerals

X

Place-value breakdown

10 = 10, so X = X. Roman numerals are written from largest to smallest value, left to right:

PlaceValueRomanRule
Tens10XAdditive rule: X = 10 (symbols are simply added)

About the number 10

The number 10 is written X in Roman numerals.

Looking for the ordinal form — "10th in Roman numerals"? Roman notation makes no distinction between cardinal and ordinal numbers, so "10th" is also written X.

Convert any number

Roman numeral

X

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