Roman Numeral Converter
Roman Numeral Converter translates between regular numbers and Roman numerals in both directions, covering the standard range 1 to 3999.
Última atualização: July 2026
Convert numbers to Roman numerals and Roman numerals back to numbers. Free, instant, in-browser converter (1–3999).
🔒 Converted instantly in your browser.
Como usar Roman Numeral Converter
- Enter a number or a Roman numeral.
- The converted value appears instantly.
- Copy the result.
Perguntas frequentes
What range is supported?
Standard Roman numerals from 1 (I) to 3999 (MMMCMXCIX).
Does it validate Roman numerals?
Yes — invalid sequences are flagged rather than mis-converted.
Is it free?
Yes, free and instant.
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