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Reference
I = 1
V = 5
X = 10
L = 50
C = 100
D = 500
M = 1000
Convert Roman Numerals
Convert between Arabic numbers and Roman numerals. Enter a number to get its Roman numeral representation, or enter Roman numerals to convert to standard numbers. Handles numbers from 1 to 3,999.
How to Use This Calculator
- Enter a number (1-3999) or Roman numeral
- View instant conversion
- Learn Roman numeral values
Features
- Number to Roman numeral
- Roman numeral to number
- Validation of Roman numerals
- Reference chart included
Frequently Asked Questions
Is this Roman Numeral Converter free to use?
Yes, our Roman Numeral Converter is completely free to use with no registration or signup required. Use it as many times as you need.
How accurate is the Roman Numeral Converter?
Our calculator uses standard mathematical formulas and provides accurate results. For critical financial or health decisions, always consult with a qualified professional.
Does this tool work on mobile devices?
Yes, this tool is fully responsive and works on all devices including smartphones, tablets, and desktop computers.