Roman numeral converter
Arabic ↔ Roman (1-3999).
How to use Roman numeral converter
- Enter an Arabic number (1-3999) or a Roman numeral.
- Convert instantly in either direction.
Limitations
- Standard Roman numerals only represent 1 through 3999 — there's no standard notation for 0 or negative numbers.
About this tool
Roman numeral converter is a single-purpose utility on instant.tw, a free toolbox of calculators, converters, generators, and quick lookups. Everything works in your browser — nothing is uploaded, nothing is stored on a server unless explicitly noted.
Category: Math & Numbers. Browse more Math & Numbers tools.