Number tool

Roman Numeral Converter

Convert numbers to Roman numerals, Roman numerals back to numbers, and save recent conversions for quick reuse.

Converter

Standard Roman numerals support values from 1 to 3,999.

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Roman Numeral

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The seven basic Roman numeral symbols.

X10

L50

C100

D500

M1000

Roman numerals do not use zero. Standard notation normally runs from 1 to 3,999.