Roman Numeral Converter
Numbers to Roman numerals and back.
Enter your values
ⓘ Live results
Results
- Roman numeral
- MMXXVI
- Number
- 2,026
- Characters
- 6
- Valid form
- Yes — standard notation
Working
- 12,026 = MMXXVI
Quick answer
Roman numerals combine I, V, X, L, C, D and M, using subtraction for pairs like IV and IX.
How to use the Roman Numeral Converter
- 1Type a number from 1 to 3999, or a Roman numeral.
- 2The converter detects which you entered.
- 3Read the conversion and whether the notation is standard.
Worked example
Using the values the calculator loads with:
Inputs
- Number or numeral2026
Results
- Roman numeralMMXXVI
- Number2,026
- Characters6
- Valid formYes — standard notation
- 2,026 = MMXXVI
Frequently asked questions
Why is there no zero?
Roman numerals are an additive tally system with no positional notation, so zero was never needed.
What's the largest Roman numeral?
MMMCMXCIX, or 3999, using standard notation without overline multipliers.
About this calculator
- Built and reviewed by James Whitfield · How we build and test calculators
- Report an error
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.