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Roman↔Arabic

Convert between Roman and Arabic numerals

Processed locally

Arabic to Roman

MMXXIV

Roman to Arabic

2024

About this tool

Convert numbers between Roman numeral notation and Arabic (decimal) numbers instantly. Supports values from 1 to 3,999,999 using vinculum notation for large numbers. Validates Roman numeral input for correct syntax and subtractive notation rules. Shows conversion rules and a reference table.

romannumeralarabicconvertnumbernotationclassical

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