Roman Numeral Converter
Convert numbers to Roman numerals and back again.
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- Type a number to see it in Roman numerals.
- Or type a Roman numeral to convert it back to a number.
- Supports values from 1 to 3999.
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FAQ
Why only up to 3999?
Standard Roman numerals don't have single symbols above M, so values are usually capped at 3999.
How do subtractive numerals work?
A smaller symbol before a larger one subtracts, like IV for 4 and IX for 9.
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