ToolBark
Converters

Roman Numeral Converter

Convert numbers to Roman numerals — and back — instantly.

Direction
Arabic to Roman

Result

MMXXIV

2024 in Roman numerals is MMXXIV

Roman numeral reference chart

Click any entry to populate the single converter.

About

Convert any number to Roman numerals or decode Roman numerals back to Arabic numbers in seconds. Whether you need to translate a year, a chapter number, a clock face, or a movie title date, our free Roman numeral converter handles single values and bulk lists alike — with instant results, a built-in reference chart, and one-click copy.

FAQ
What numbers can be converted to Roman numerals?+

Standard Roman numerals cover 1 to 3999. The number 4000 and above cannot be represented in classical notation without special overline symbols, so this converter limits input to the range 1–3999.

How does subtractive notation work?+

Roman numerals use subtractive notation when a smaller value precedes a larger one. For example, IV means 5 minus 1 = 4, and IX means 10 minus 1 = 9. This converter fully supports all standard subtractive pairs: IV, IX, XL, XC, CD, and CM.

Why is IIII not accepted as a valid Roman numeral?+

IIII is a non-standard form sometimes seen on clock faces, but canonical Roman numeral rules require IV for 4. This converter validates against canonical form, so IIII, IIIII, VV, and similar non-standard strings are flagged as invalid.

Can I convert multiple numbers at once?+

Yes. Switch to the Batch tab and paste one number (or Roman numeral) per line. The converter processes all lines simultaneously and shows a side-by-side result column you can copy in one click.

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