About Roman Numerals
Roman numerals use seven letters: I (1), V (5), X (10), L (50),
C (100), D (500), M (1000). Numbers are formed by combining these
symbols, using subtractive notation for values like 4 (IV) and
9 (IX).
Basic symbols
I=1 · V=5 · X=10 · L=50 · C=100 · D=500 · M=1000
Subtractive pairs
IV=4 · IX=9 · XL=40 · XC=90 · CD=400 · CM=900
Range
Supports 1–3999 (traditional range).
Largest example
3999 = MMMCMXCIX
How to Use This Converter
- Enter the value you want to convert.
- Choose the From unit.
- Choose the To unit.
- Click Convert to see the result instantly.
Frequently Asked Questions
How do I write 2024 in Roman numerals?+
2024 = MMXXIV (M=1000, M=1000, X=10, X=10, IV=4).
What is the largest Roman numeral?+
3999 = MMMCMXCIX. Numbers above 3999 traditionally use a bar over the numeral to indicate thousands.
Why is 4 written as IV instead of IIII?+
Roman numerals use subtractive notation: a smaller numeral before a larger one means subtraction. IV = 5 − 1 = 4.
What does the Roman numeral M mean?+
M = 1,000 (from the Latin 'mille').
Is this converter free?+
Yes — completely free with no registration required.
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