159 in Roman Numerals

The number 159 written in Roman numerals is CLIX.

159
=
CLIX

How CLIX is built:

C= 100
L= 50
IX= 9
CLIX= 159
Reverse lookup

Looking up the other way? CLIX in Arabic numbers is 159. Use the full converter to enter any Roman numeral:

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Frequently asked questions
What is 159 in Roman numerals?
159 in Roman numerals is CLIX. It is built from C (100) + L (50) + IX (9) = 159.
How do you write 159 in Roman numerals?
To write 159 in Roman numerals, identify the largest Roman symbols that fit: 100 = C, 50 = L, 9 = IX. Write them left to right: CLIX.
What does CLIX mean?
CLIX is the Roman numeral for 159. The symbols represent: C = 100, L = 50, IX = 9, which add up to 159.
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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