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Convert numbers to Roman numerals and back.
Convert between Arabic numbers and Roman numerals instantly. Enter a number (1–3999) to get the Roman numeral, or type a Roman numeral to convert back to a number.
Easily convert between Arabic numbers and Roman numerals for values between 1 and 3999.
Access the Roman Numeral Converter tool
Navigate to the Roman Numeral Converter page on your web browser to begin the conversion process.
Enter your number or Roman numeral
Type an Arabic number between 1 and 3999 or a valid Roman numeral into the provided input field.
Verify the input format
Ensure your entry matches the required format for either standard numbers or traditional Roman characters.
View the instant conversion result
The tool will automatically process your input and display the converted value immediately on the screen.
Copy the converted output
Highlight and copy the resulting Roman numeral or Arabic number for use in your documents or projects.
Estimated time: PT1M
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