9 in Roman numerals is IX. Split 9 into place values, write each part, and join them. The converter below works for any number from 1 to 3999.
What Is 9 in Roman Numerals?
IX is a single block of symbols that equals 9.
Clock faces use I to XII, and IX marks hour 9.
Convert Any Number to Roman Numerals
9: Thousands, Hundreds, Tens and Ones
| Place | Value | Roman |
|---|---|---|
| Ones | 9 | IX |
| Total | 9 | IX |
Write the parts in order from largest to smallest to get IX.
Roman Numeral Rules Behind IX
| Symbol | I | V | X | L | C | D | M |
|---|---|---|---|---|---|---|---|
| Value | 1 | 5 | 10 | 50 | 100 | 500 | 1000 |
- Add symbols from largest to smallest: VI = 5 + 1.
- Repeat I, X, C or M up to three times: XXX = 30.
- Put a smaller symbol before a larger one to subtract: IV = 4, IX = 9.
In IX, the subtractive pair is IX = 9.
Roman Numerals Close to 9
| Number | Roman numeral |
|---|---|
| 5 in Roman numerals | V |
| 6 in Roman numerals | VI |
| 7 in Roman numerals | VII |
| 8 in Roman numerals | VIII |
| 10 in Roman numerals | X |
| 11 in Roman numerals | XI |
| 12 in Roman numerals | XII |
| 13 in Roman numerals | XIII |
See the full list in the Roman numerals chart.
Quick Answers About IX
What is 9 in Roman numerals?
9 in Roman numerals is IX.
What is IX as a number?
IX equals 9.
How do you write 10 in Roman numerals?
10 in Roman numerals is X.
How many letters are in IX?
IX has 2 letters.
Quick Summary
9 is IX. Split the number into thousands, hundreds, tens and ones, write each part, and join them in order.
