Roman Numeral Converter
Convert between Arabic numbers and Roman numerals instantly. Supports numbers from 1 to 3999 with validation and a breakdown showing which numeral contributes what value.
Roman Numeral Reference
Roman numerals use seven symbols: I (1), V (5), X (10), L (50), C (100), D (500), M (1000). Subtractive notation is used for 4, 9, 40, 90, 400, and 900 - a smaller numeral placed before a larger one means subtract rather than add. The standard system covers 1 to 3999.