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이 도구 사용법

Convert 1–3999 to standard Roman numerals, or valid Roman back to a number.

1. Open Roman numerals

   A sample year is already converted. Direction sits on the left.

2. Enter a number or a numeral

   IV is 4. Additive IIII is rejected. The range stops at 3999.

3. Copy the result

   Copy puts the converted value on the clipboard. Nothing is uploaded.