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Roman Numeral Converter
Convert Arabic numbers to Roman numerals and Roman numerals back to numbers.
- Roman
MMXXVI- Number
2026
Reference
Common Roman numerals
| Number | Roman | |
|---|---|---|
| 1 | I | |
| 4 | IV | |
| 9 | IX | |
| 12 | XII | |
| 40 | XL | |
| 49 | XLIX | |
| 58 | LVIII | |
| 90 | XC | |
| 99 | XCIX | |
| 400 | CD | |
| 944 | CMXLIV | |
| 1453 | MCDLIII | |
| 1999 | MCMXCIX | |
| 2024 | MMXXIV | |
| 2026 | MMXXVI | |
| 3999 | MMMCMXCIX |
FAQ
Questions people ask
What range is supported?
The common Roman numeral system usually covers 1 to 3999 without overline notation, and this tool follows that range.
Are lowercase Roman numerals accepted?
Yes. Input is normalized to uppercase before conversion.
Why is 4 written as IV?
Roman numerals use subtractive notation for common values such as IV for 4 and IX for 9.
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