Roman Numeral Converter (Advanced)

Sobre esta ferramenta

Bidirectional converter for Roman numerals and decimal numbers supporting values up to 4,999,999 using vinculum notation (a bar over a numeral multiplies it by 1,000). Type a decimal to get the Roman numeral or type Roman numerals to get the decimal value. A history of your last 10 conversions is saved locally, and a full reference table of all Roman symbols and their values is always visible below.

Como usar

1. 1 Type a decimal number (1–4,999,999) in the left field to convert to Roman numerals.
2. 2 Or type Roman numeral characters in the right field to convert to decimal.
3. 3 Numbers above 3,999 use vinculum notation shown with an overline.
4. 4 Review the full symbol table at the bottom for a quick reference guide.

Perguntas frequentes