Roman Numeral Converter

Convert 1–3999 to Roman numerals (and back) instantly.

Number (1–3999)

Roman numeral

MMXXVI

How Roman numerals work

Letters add up (VI = 6) except when a smaller value precedes a larger one, meaning subtraction (IV = 4). The system has no zero and traditionally stops at 3999 (MMMCMXCIX).

Frequently Asked Questions

What is 2026 in Roman numerals?

MMXXVI.

Why is 4 written as IV not IIII?

Subtractive notation: I before V means 5−1. (Clock faces traditionally use IIII though!)

Is there a Roman zero?

No — Romans had no zero symbol; 'nulla' was the concept.