Roman to Decimal Converter

An interactive and modern Roman to Decimal Converter that easily converts Roman numerals to decimal numbers with clear instructions and responsive design.

Encountered a problem? Please let me know.

What is a Roman to Decimal Converter?

A Roman to Decimal Converter is an online tool that helps you convert Roman numerals, like VIII or XIX, into their corresponding decimal (Arabic) numbers.

How do I use the Roman to Decimal Converter?

Simply enter a Roman numeral into the input field and click the "Convert" button; the corresponding decimal number will be displayed if the input is valid.

What Roman numerals can be converted?

The converter can handle common Roman numerals that are composed of the symbols I, V, X, L, C, D, and M.

What should I do if I enter an invalid Roman numeral?

If you enter an invalid Roman numeral, the tool will display an error message indicating that the input is not a valid Roman numeral.

Can this tool handle all Roman numerals?

While the tool handles most standard Roman numerals, very rare or incorrectly formatted numerals may not convert correctly.

Why are my Roman numerals not converting?

If your Roman numerals are not converting, ensure they're correctly formatted and contain only the characters I, V, X, L, C, D, and M.

Do I need an internet connection to use the converter?

You need an internet connection to access the converter online, but once the page is loaded, the conversion happens locally on your browser.