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Text & Writing Utilities · Free tool

Roman Numeral Converter

Convert numbers to Roman numerals and back, up to 3,999,999. Great for tattoos, chapters, and movie titles.

Updated April 2026
Roman numeral

MMXXVI

Number

2026

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What it does

Convert Arabic numbers to Roman numerals and back, up to the standard upper bound of 3,999,999 using overline notation.

How to use it

  1. Enter a number or Roman numeral.
  2. Pick the direction.
  3. Read the converted value.
  4. Copy to clipboard.