Roman Numeral Converter
Convert numbers to Roman numerals and back — free, fast and private.
Your result will appear here.
How to use Roman Numeral Converter
- Pick the direction: number to Roman numeral, or Roman numeral to number.
- Type your value — a whole number from 1 to 3999, or a Roman numeral like MMXXVI.
- Your result appears instantly. Use Copy Result to copy it, or Clear to start over.
Note: this tool runs in your browser. Nothing is uploaded.
Frequently Asked Questions
Is this tool free?
Yes, it is 100% free with no sign-up. Your data stays in your browser.
What is 2026 in Roman numerals?
2026 in Roman numerals is MMXXVI (MM = 2000, XX = 20, VI = 6).
What is the largest Roman numeral this tool handles?
Roman numerals in the standard system cover 1 to 3999 (I to MMMCMXCIX). Larger numbers have no standard Roman form.
What does IV mean in Roman numerals?
IV means 4 — when a smaller value comes before a larger one it is subtracted, so I before V gives 5 − 1 = 4.