CNV-12Converters
Roman Numerals Converter
Arabic ↔ Roman numbers
CNV-12Result
Your data never leaves your device: this tool runs locally in the browser.
Roman Numerals Converter
Convert numbers from 1 to 3999 into Roman numerals and back. Useful for dates, chapters, clock faces and crosswords.
Frequently asked questions
Why only up to 3999?
Classic Roman notation has no symbol above M (1000), and a symbol is conventionally repeated at most three times.
How do I write 2026 in Roman numerals?
MMXXVI: MM (2000) + XX (20) + VI (6).