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Roman Numeral Converter

Convert numbers to Roman numerals and Roman numerals back to numbers.

Education Direct route, no hidden menu

Input

Convert Roman numerals

Step 1

Output

Result

Step 2

Roman numeral

Number

Status

How It Works

The converter maps values like M, CM, D, C, XC, L, XL, X, IX, V, IV, and I, then builds or parses the Roman numeral representation.

Example

2026 converts to MMXXVI, while XLII converts back to 42.

Frequently Asked Questions

What number range is supported?

This draft supports standard Roman numerals from 1 to 3999.

Can it convert Roman numerals back to numbers?

Yes. Enter a Roman numeral such as XIV, MMXXVI, or XL and the tool returns the numeric value.

Can I rely on this for school records?

Use it as a study or planning estimate. Schools may use different scales, rounding rules, or grading policies.

How should I use the result?

Use the result to understand the method and plan next steps, then confirm official requirements with your teacher or institution.