Roman Numerals to Number

Convert roman numerals to a number with ease.

Format: Roman ➜ Arabic
Type: Number Converter

Roman Numerals to Number

Convert Roman Numerals
Enter Roman numerals (I, V, X, L, C, D, M)
Key Features
  • Instant conversion
  • All Roman numerals supported
  • Case insensitive
  • One-click copy results
  • No registration required

How to Use

1
Enter Roman

Input Roman numerals

2
Click Convert

Submit the form

3
Get Result

Instant conversion

4
Copy & Use

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Roman Numerals Chart

Roman Arabic Roman Arabic Roman Arabic
I 1 XX 20 C 100
II 2 XXX 30 CC 200
III 3 XL 40 CCC 300
IV 4 L 50 D 500
V 5 LX 60 M 1000
VI 6 LXX 70 MM 2000
VII 7 LXXX 80 MMM 3000
VIII 8 XC 90 MMMM 4000
IX 9 C 100 VĖ„ 5000
X 10 CI 101 XĖ„ 10000

Perfect For

Education

Learn Roman numerals and understand ancient number systems.

Historical Research

Decipher dates, chapters, and values in historical documents.

Media & Entertainment

Convert movie release years and clock face numbers.

Academic Work

Convert outlines, chapter numbers, and academic citations.

Why Choose Our Tool?

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Instant Conversion

Real-time results

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Accurate

100% correct conversion

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Easy Copy

One-click copying

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Mobile Friendly

Works everywhere

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Case Insensitive

Both cases work

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No registration

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Understanding Roman Numerals

What are Roman Numerals?

Roman numerals are a numeral system originating from ancient Rome, using letters from the Latin alphabet to represent numerical values. They were widely used throughout the Roman Empire and remain in use today for specific applications like clock faces, movie credits, and academic citations.

Basic Roman Numeral Symbols

  • I = 1
  • V = 5
  • X = 10
  • L = 50
  • C = 100
  • D = 500
  • M = 1000

How Roman Numerals Work

  • Addition: Symbols are added together (VI = 6, VII = 7)
  • Subtraction: A smaller value before a larger one is subtracted (IV = 4, IX = 9)
  • Repetition: Symbols can repeat up to 3 times (XXX = 30, III = 3)
  • Position: Value depends on placement and context

Modern Uses of Roman Numerals

  • Clock Faces: Displayed on analog clock dials
  • Movie Credits: Production year shown as Roman numerals
  • Chapter Numbers: Books and documents often use them
  • Outlines: Academic and organizational hierarchies
  • Copyrights: Years in copyright notices
  • Historical Documents: Dating of ancient texts

Common Roman Numeral Examples

  • XIV = 14 (X + IV = 10 + 4)
  • MCMXCIV = 1994 (M + CM + XC + IV = 1000 + 900 + 90 + 4)
  • CCCXXX = 330 (CCC + XXX = 300 + 30)
  • MDCLXVI = 1666 (M + D + C + L + X + V + I)
Pro Tip: When converting Roman numerals, remember the subtractive principle: a smaller numeral before a larger one means subtraction (IV = 4, not 6). This rule applies specifically to certain combinations like IV, IX, XL, XC, CD, and CM.

Frequently Asked Questions

Theoretically unlimited with vinculum (overline), but traditionally M (1000) is common. With vinculum, VĖ„ = 5000, XĖ„ = 10000, etc.
No! The Romans had no symbol for zero. This is one reason why Roman numerals eventually fell out of use for mathematics.
They're used in formal contexts, clock faces, movie production years, book chapters, and historical documents for traditional and aesthetic reasons.
XL = 40. It uses the subtractive principle: X (10) before L (50) means 50 - 10 = 40.
Yes! This tool accepts both uppercase and lowercase Roman numerals. They represent the same values (i = I, v = V, etc.).
1994 = MCMXCIV (M=1000, CM=900, XC=90, IV=4). Break it down: 1000 + 900 + 90 + 4 = 1994.
IV = 4 (5-1, using subtraction), VI = 6 (5+1, using addition). Position matters in Roman numerals!
Yes! Our Roman Numerals to Number Converter is completely free with unlimited conversions and no registration required.

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