Roman Numeral Converter
Convert numbers to Roman numerals and Roman numerals back to numbers — with step-by-step breakdown
Breakdown
Roman numeral reference
Roman numeral rules:
• Symbols are generally written from largest to smallest (left to right).
• A smaller symbol before a larger one is subtracted (e.g. IV = 4, IX = 9).
• Only I, X, and C can be used as subtractive prefixes.
• The range supported is 1–3999 (standard notation).
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