30 in Roman Numerals

30 in Roman numerals is
XXX
10 + 10 + 10 = 30
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The number 30 is written XXX in Roman numerals. Reading left to right and adding the values gives 10 + 10 + 10 = 30. Roman numerals use seven letters: I (1), V (5), X (10), L (50), C (100), D (500) and M (1000). A smaller letter before a larger one means subtraction (IV = 4, IX = 9, XL = 40, XC = 90, CD = 400, CM = 900).

XXX in names

  • Super Bowl XXX, played on 28 January 1996. Wikidata

Popes, monarchs, films and Super Bowls whose name carries XXX. Source: Wikidata, retrieved 11 October 2026.

Frequently asked

What is 30 in Roman numerals?

30 in Roman numerals is XXX.

How is 30 written in Roman numerals?

30 is written XXX, which breaks down as 10 + 10 + 10 = 30.

Is there a Roman numeral for zero?

No. The Roman system has no symbol for zero, which is one reason it was eventually replaced for calculation.