ROMAN NUMERAL CONVERTER

Convert Number ↔ Roman Numeral

Choose a direction and enter your value.

Conversion Direction
Enter a whole number between 1 and 3999.
Roman Numeral
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Enter a value above to convert.

What Are Roman Numerals?

Roman numerals are a numeral system from ancient Rome that uses combinations of letters from the Latin alphabet — I, V, X, L, C, D, and M — to represent numbers.

Roman Numeral Values

I = 1
V = 5, X = 10, L = 50
C = 100
D = 500, M = 1000

Example Conversions

2024 is written as MMXXIV. 1994 is written as MCMXCIV. XL converts back to 40.

How to Use This Converter

01

Pick a Direction

Choose Number → Roman or Roman → Number.

02

Enter Your Value

Type a number (1–3999) or a Roman numeral.

03

Get Your Result

Convert instantly with one click.

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Frequently Asked Questions

Using standard notation, Roman numerals can represent numbers from 1 to 3999.

2024 is written as MMXXIV in Roman numerals.

Yes. The calculator can be used online without creating an account.