Roman Numerals Converter
Conversion ToolsConvert numbers into Roman numerals and decode Roman numerals back into standard integers with step-by-step math.
Roman Numerals Quick Reference
I
1
V
5
X
10
L
50
C
100
D
500
M
1000
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How to Use Roman Numerals Converter
1
Enter Value
Type an integer like 2026 or Roman numeral like MMXXVI.
2
Inspect Math
See the step-by-step arithmetic conversion.
3
Copy
Copy converted numeral to clipboard.
Privacy Guarantee:All computations, transformations, and file processing occur 100% locally in your browser via client-side JavaScript. Your sensitive data is never uploaded or logged on any remote server.
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