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Conversietools

Roman Numeral Converter

Convert integers from 1 to 3999 into Roman numerals, or decode canonical Roman notation back to decimal.

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Uses subtractive forms such as IV and IX. Zero, negative numbers, overbars and noncanonical forms such as IIII are rejected.

Up to 100,000 UTF-16 units per input and 1,000,000 per result. See the supported formats and examples below.

Hoe werkt het

  1. Convert integers from 1 to 3999 into Roman numerals, or decode canonical Roman notation back to decimal.
  2. Choose the mode or options, then run the tool.
  3. Review the result, then copy or download the TXT file.

Voorbeeld

2026 → MMXXVI

Details en beperkingen

Text stays in your browser; it is not sent to a conversion server.

Referenties

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