The Roman numeral for 4 is IV. Break 4 into thousands, hundreds, tens and ones to see why. The converter below turns any number into Roman numerals and back.
4 as a Roman Numeral
IV is a single block of symbols that equals 4.
Clock faces use Roman numerals up to XII, and many show 4 as IIII instead of IV.
Free Roman Numeral Converter
How 4 Breaks Down
| Place | Value | Roman |
|---|---|---|
| Ones | 4 | IV |
| Total | 4 | IV |
Write the parts in order from largest to smallest to get IV.
The Rules That Make IV
| 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 IV, the subtractive pair is IV = 4.
4 and the Numbers Around It
| Number | Roman numeral |
|---|---|
| 1 in Roman numerals | I |
| 2 in Roman numerals | II |
| 3 in Roman numerals | III |
| 5 in Roman numerals | V |
| 6 in Roman numerals | VI |
| 7 in Roman numerals | VII |
| 8 in Roman numerals | VIII |
See the full list in the Roman numerals chart.
FAQs About 4 in Roman Numerals
What is 4 in Roman numerals?
4 in Roman numerals is IV.
What is IV as a number?
IV equals 4.
How do you write 5 in Roman numerals?
5 in Roman numerals is V.
Is IV a valid Roman numeral?
Yes. IV follows the standard rules: symbols run from largest to smallest, and only valid subtractive pairs appear.
The Short Version
4 is IV. Split the number into thousands, hundreds, tens and ones, write each part, and join them in order.
