/›roman-numeral-converter

Everyday Utilities

Roman Numeral Converter: Number to Roman and Roman to Number

Convert numbers to Roman numerals (like 1994 → MCMXCIV) or Roman numerals back to numbers. Supports 1 through 3999 with full validation.

Runs in your browser — your text is never uploaded or stored.

Number (1 – 3999)

Result

MCMXCIV

How to Use

1.Pick a direction: Number → Roman or Roman → Number.
2.Type any integer from 1 to 3999, or any valid Roman numeral.
3.Copy the converted result with one click.

FAQ

What range does it support?

1 through 3999 — the classical range that Roman numerals can represent without special vinculum notation.

Does it validate Roman numerals?

Yes. Invalid strings like 'IIII' or 'VX' are rejected with a clear error message.

Is my input sent to a server?

No — conversion runs entirely in your browser.

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