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Home/Converters/Encodings & numbers/Roman Numerals

Roman Numerals

Roman numerals conversion with precise factors.

Encodings & numbers

  • Number Systems
  • Binary
  • Hexadecimal
  • Octal
  • Roman Numerals
  • ASCII & Unicode
  • Scientific Notation
  • IP Address

Try an example

About this converter

Roman numerals conversion with precise factors.

How to use

  1. Enter the value you want to convert.
  2. Choose the From and To units or modes.
  3. Press Calculate — or try Use this example.

Formula / method

Map Roman symbols (I, V, X, L, C, D, M) with subtractive pairs (IV, IX, XL, …).

Open formula page→

When to use

Bases and encodings treat exact digit alphabets — invalid characters will fail rather than guess.

Previous← OctalNextASCII & Unicode →

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