Roman Numeral Converter

Convert between numbers and Roman numerals.

What the roman numeral converter shows

• Number to Roman
• Roman to number
• Canonical numeral check

Formula and assumptions

Results are estimates based on the values you enter. Where useful, Calc Studio shows formulas, steps, tables or breakdowns so you can understand the answer.

Feedback helps improve accuracy and usability. Send suggestions, incorrect-result examples or missing-calculator requests to feedback@calcstudioapp.com.