Roman to Number

Roman numerals are read by adding the values of symbols together, unless a smaller value precedes a larger one, in which case the smaller value is subtracted from the larger.

No, our tool is designed to be user-friendly and will accept both uppercase and lowercase letters, automatically converting them to provide the correct decimal output.

Yes, if you enter characters that are not part of the Roman numeral system, the tool will display an "Invalid" message to notify you of the input error.