9 in Roman Numerals: IX (Steps and Chart)

9 in Roman numerals is IX. Read from left to right: IX (9) = 9.

How to write 9 in Roman numerals

Break 9 into thousands, hundreds, tens and ones, then write each part with the largest symbols first:

9 (ones) = IX

Join them: IX.

IX uses the subtraction rule in IX: a smaller symbol placed before a larger one is taken away from it, so IX = 9. Only I, X and C are used this way.

Roman numerals near 9

Number	Roman numeral
4	IV
5	V
6	VI
7	VII
8	VIII
10	X
11	XI
12	XII
13	XIII
14	XIV

9 in words

9 is written nine in words (see 9 in words), and नौ in Hindi. Its ordinal form is 9th, written ninth.

Where you see Roman numerals

Roman numerals still appear on clock faces, in chapter and class numbers, in the names of kings and events, and in exam question numbering. For the full list of symbols and rules, see Roman numerals and the 1 to 100 chart.

Questions people ask

What is 9 in Roman numerals?

9 in Roman numerals is IX.

What number is IX?

IX is 9: 9 = 9.

How do you write 9 in Roman numbers?

Write each place value with its symbols and join them: IX gives IX.

What is 90 in Roman numerals?

90 is XC.