Roman Numeral Converter
Convert any number from 1 to 3999 into Roman numerals.
Show solution steps
What is the Roman Numeral Converter?
A Roman numeral converter translates ordinary numbers into the ancient Roman system, which uses letters (I, V, X, L, C, D, M) combined by addition and subtraction.
How to Calculate
The number is broken down greedily from the largest Roman value downward, using subtractive pairs like IV (4) and IX (9).
Formula
I=1, V=5, X=10, L=50, C=100, D=500, M=1000
How to Use
- Enter your details in the fields above.
- The result updates instantly as you type.
- Use Copy, Print or Download PDF to save your result.
Frequently Asked Questions
Why is 4 written IV, not IIII?
Roman numerals use subtraction for certain values u2014 placing a smaller symbol before a larger one subtracts it. So IV is 5 u2212 1 = 4, and IX is 10 u2212 1 = 9.
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