17 = XVII in Roman numerals. Each part of the number has its own symbol group, and the rules below explain them. Try the free converter for any number from 1 to 3999.
The Roman Numeral for 17
Read XVII from left to right and add the values: X (10) + VII (7) = 17.
Roman numerals also number book chapters, outlines, and the names of kings and popes.
Roman Numeral Converter
Breaking Down 17 in Roman Numerals
| Place | Value | Roman |
|---|---|---|
| Tens | 10 | X |
| Ones | 7 | VII |
| Total | 17 | XVII |
Write the parts in order from largest to smallest to get XVII.
How the Rules Apply to XVII
| 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.
XVII has no subtractive pair, so you only add the symbols from left to right.
Numbers Near 17 in Roman Numerals
| Number | Roman numeral |
|---|---|
| 13 in Roman numerals | XIII |
| 14 in Roman numerals | XIV |
| 15 in Roman numerals | XV |
| 16 in Roman numerals | XVI |
| 18 in Roman numerals | XVIII |
| 19 in Roman numerals | XIX |
| 20 in Roman numerals | XX |
| 21 in Roman numerals | XXI |
See the full list in the Roman numerals chart.
17 in Roman Numerals: Common Questions
What is 17 in Roman numerals?
17 in Roman numerals is XVII.
What is XVII as a number?
XVII equals 17.
How do you write 18 in Roman numerals?
18 in Roman numerals is XVIII.
How many letters are in XVII?
XVII has 4 letters.
Key Takeaway
17 is XVII. Split the number into thousands, hundreds, tens and ones, write each part, and join them in order.
