Roman Numeral Converter

Convert numbers to Roman numerals and back instantly.

Enter a number

Roman Numeral

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Quick examples

Popular uses

💉 Tattoo dates🕐 Clock faces🏈 Super Bowl👑 Monarchs & Popes🎬 Movie sequels📅 Wedding dates

Roman numerals work for 1 to 3,999

Used since ancient Rome — over 2,000 years old

Still used in clocks, movies, and sporting events