Roman Numeral Converter
Enter a decimal number (1–3999) or type a Roman numeral — both fields update live.
Symbols
| Symbol | Value |
|---|---|
| I | 1 |
| V | 5 |
| X | 10 |
| L | 50 |
| C | 100 |
| D | 500 |
| M | 1,000 |
Common Examples
| Decimal | Roman Numeral |
|---|---|
| 2026 | MMXXVI |
| 2024 | MMXXIV |
| 1999 | MCMXCIX |
| 1776 | MDCCLXXVI |
| 42 | XLII |
| 14 | XIV |
| 9 | IX |
| 4 | IV |
Frequently asked questions
What is the Roman numeral for 2026?
The Roman numeral for 2026 is MMXXVI. MM = 2000, XX = 20, VI = 6.
What is the largest Roman numeral?
The largest standard Roman numeral is MMMCMXCIX = 3,999. The M symbol can repeat at most three times, so 4,000 cannot be expressed in standard notation.
How do you write 1999 in Roman numerals?
1999 is MCMXCIX. M = 1000, CM = 900 (one hundred less than one thousand), XC = 90 (ten less than one hundred), IX = 9 (one less than ten).
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