Roman Numeral Converter
Convert years, chapter numbers or tattoo dates to Roman numerals, or read a Roman numeral as a number. The direction is detected automatically.
Free · No sign-up · Files stay on your device
How to use Roman Numeral Converter
- 1Type a number (e.g. 2026) or a Roman numeral (e.g. MMXXVI).
- 2Read the conversion and breakdown.
- 3Copy the result.
Features
- Numbers ↔ Roman numerals
- Automatic direction detection
- Strict validation (rejects IIII, VX…)
- Step-by-step breakdown
- Range 1 to 3,999
How Roman numerals work
I = 1, V = 5, X = 10, L = 50, C = 100, D = 500, M = 1000. Symbols are added from largest to smallest, except six subtractive pairs: IV (4), IX (9), XL (40), XC (90), CD (400) and CM (900). No symbol repeats more than three times in a row.
Frequently asked questions
What is 2026 in Roman numerals?
MMXXVI (2000 + 20 + 6).
Why is there no zero?
The Roman system has no symbol for zero.
Why is 4000 not supported?
Standard Roman numerals stop at 3,999 (MMMCMXCIX). Larger numbers used special overline marks.
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