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Roman Numerals Converter

Convert Arabic numbers (1-3999) to Roman numerals and vice-versa.

Anúncio Google — 728×90
Arabic Numeral (Decimal)
Roman Numeral
Anúncio Google — 320×100

How it works

Convert integer numbers between our common Arabic representation and classical Roman numerals bidirectionally, with instant validation.

Frequently asked questions

Why is the conversion limit set to 3999?

Standard Roman numerals do not have a simple standard letter representation for 4000 and above (which classically required an overline to multiply by 1,000).

What are the basic Roman numeral letters and values?

The symbols are: I (1), V (5), X (10), L (50), C (100), D (500), and M (1000).

Is there a Roman numeral for zero?

No. The Romans did not have a representation or symbol for the number zero.

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