4 in Roman numerals
Roman numeral
IV
The first subtractive numeral. IIII appears on clock faces but IV is the standard form.
How IV is built
Read left to right, adding as you go; a smaller letter in front of a larger one is taken away instead, which is what the two-letter pieces below are. The rules in full, and the mistakes they prevent.
| Piece | Value | Running total |
|---|---|---|
| IV | 4 | 4 |
4 in other forms
- Roman numeral
- IV
- In figures
- 4
- In words
- four
- Letters used
- 2 letters