Numeral converts between ordinary numbers and Roman numerals, both ways, live as you type. Useful for clock faces, chapter and copyright dates, movie sequels and outlines. Nothing is uploaded.

Number (1–3,999,999)

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Roman numeral

Standard Roman numerals go up to 3,999. Above that, a bar over a letter means “times a thousand”; here that's shown with parentheses — for example (IV) is 4,000 — so numbers up to 3,999,999 are supported. Everything runs on your device.