9 in Roman numerals
IX
Number
9
Roman
IX
Nearby numbers
NumberRoman numeral
4IV
5V
6VI
7VII
8VIII
9 ◀IX
10X
11XI
12XII
13XIII
14XIV
Frequently Asked Questions
What is 9 in Roman numerals?+
9 in Roman numerals is IX.
How are Roman numerals constructed?+
Roman numerals use letters: I=1, V=5, X=10, L=50, C=100, D=500, M=1000. Subtractive notation is used for 4 (IV), 9 (IX), 40 (XL), 90 (XC), 400 (CD), 900 (CM).
What is VIII in numbers?+
VIII = 8.
What is the largest Roman numeral?+
The largest standard Roman numeral is MMMCMXCIX = 3999.

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