Roman Numeral Calculator
Perform arithmetic operations with Roman numerals. Add, subtract, multiply, and divide Roman numerals easily.
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Enter Roman numerals (I-MMMCMXCIX) or Arabic numbers (1-3999)
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Quick Reference
How to Use
- Select the operation (add, subtract, multiply, divide)
- Enter the first Roman numeral
- Enter the second Roman numeral
- Click "Calculate" to see the result in Roman numerals
What is Roman Numeral Calculator?
This calculator performs arithmetic operations using Roman numerals. Enter numbers like XIV (14) and VII (7), and get results in both Roman and Arabic numerals. It supports addition, subtraction, multiplication, and division.
Formula
Roman Numeral Values:
I=1, V=5, X=10, L=50, C=100, D=500, M=1000
Limits: Results must be between 1 and 3999
Examples
- XIV + VII = XXI (14 + 7 = 21)
- L − XX = XXX (50 − 20 = 30)
- XII × III = XXXVI (12 × 3 = 36)
- C ÷ V = XX (100 ÷ 5 = 20)
FAQ
Why can't I get negative results?
Roman numerals don't have a symbol for zero or negative numbers. They were used for counting and practical purposes where negative values weren't needed.
What's the largest number I can calculate?
The result must be 3999 (MMMCMXCIX) or less. This is the largest number that can be represented in standard Roman numerals.
How does division work?
Division gives the integer quotient. For example, XVII ÷ V = III (17 ÷ 5 = 3 with remainder 2). The calculator shows the remainder when applicable.