Roman Numeral Converter
Type a number from 1 to 3999 to see it in Roman numerals, or type a Roman numeral to see the number. Invalid numerals such as IIII or VX are flagged. It is useful for years, chapters, clocks and homework.
Runs in your browser. Your files never leave your device.
Roman numeral
MMXXVI
Number
2026
How it works
- 01Enter a number, or a Roman numeral.
- 02Read the converted value.
- 03Copy it where you need it.
Questions
What is the largest Roman numeral?
The standard system goes up to 3999 (MMMCMXCIX).
Is IIII valid?
Clocks sometimes use IIII, but standard Roman numerals write four as IV.
Can I convert years?
Yes. For example 2026 is MMXXVI.
Is my file uploaded to a server?
No. Everything happens inside your browser on your own device. Your files are never sent to us or anyone else.
Is it free?
Yes. It is free to use, with no signup, no watermark and no daily limit.