Roman Numeral Converter
Convert numbers 1–3999 to Roman numerals and back, rejecting invalid numerals.
How it works
Numerals are built from M, CM, D, CD, C, XC, L, XL, X, IX, V, IV, I; a numeral must match its standard form to be accepted.
Questions
- How does the roman numeral converter work?
- Numerals are built from M, CM, D, CD, C, XC, L, XL, X, IX, V, IV, I; a numeral must match its standard form to be accepted.
- Is my text sent to a server?
- No. The tool runs entirely in your browser; nothing you type is uploaded.
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