15 in Roman Numerals

The number 15 written in Roman numerals is XV.

15
=
XV

How XV is built:

X= 10
V= 5
XV= 15
Reverse lookup

Looking up the other way? XV in Arabic numbers is 15. Use the full converter to enter any Roman numeral:

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Frequently asked questions
What is 15 in Roman numerals?
15 in Roman numerals is XV. It is built from X (10) + V (5) = 15.
How do you write 15 in Roman numerals?
To write 15 in Roman numerals, identify the largest Roman symbols that fit: 10 = X, 5 = V. Write them left to right: XV.
What does XV mean?
XV is the Roman numeral for 15. The symbols represent: X = 10, V = 5, which add up to 15.
What is the range of Roman numerals?
Standard Roman numerals cover 1 to 3,999 (I to MMMCMXCIX). Numbers outside this range cannot be represented with the classic seven symbols: I, V, X, L, C, D, M.
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