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Roman numerals

Convert 1 to 3999 into a Roman numeral, or read a numeral back. Only the standard spelling is accepted, and a wrong one is corrected.
Your data stays in this tabGives you Results to copy, Share text, Receipt
Number or numeral

Result

The result shows here as you type.

Use it forA number as a Roman numeral, or a Roman numeral as a number.

Good to knowIt works in this tab and has no code that sends what you type. Open the Receipt after a run to see the page's own count of network calls.

  • Roman numeral
  • Roman numerals converter
  • Roman number
  • Mcmxcv
  • Xiv

Where your data goesNowhere. The work happens in this tab.