Roman numerals converter

Roman Numerals Converter

This free and open-source tool allows you to easily convert numbers to their Roman numeral equivalent. Roman numerals are a numeral system originating in ancient Rome, used for counting and indicating values.

How to Use

  1. Enter a number in the input box.
  2. The tool will automatically convert it to its Roman numeral equivalent.
  3. The result will appear in the output box.
  4. Click the "Copy" button to copy the Roman numeral result to your clipboard.

Features

  • Real-time conversion from number to Roman numeral
  • Support for positive integers
  • One-click copy to clipboard
  • Clear button to reset input and output

Roman numerals table

Roman numeralDecimal number
I1
V5
X10
L50
C100
D500
M1000

Years in roman numerals

YearRoman numeral
1000M
1100MC
1200MCC
1300MCCC
1400MCD
1500MD
1600MDC
1700MDCC
1800MDCCC
1900MCM
1990MCMXC
1991MCMXCI
1992MCMXCII
1993MCMXCIII
1994MCMXCIV
1995MCMXCV
1996MCMXCVI
1997MCMXCVII
1998MCMXCVIII
1999MCMXCIX
2000MM
2001MMI
2002MMII
2003MMIII
2004MMIV
2005MMV
2006MMVI
2007MMVII
2008MMVIII
2009MMIX
2010MMX
2011MMXI
2012MMXII
2013MMXIII
2014MMXIV
2015MMXV
2016MMXVI
2017MMXVII
2018MMXVIII
2019MMXIX
2020MMXX
2021MMXXI
2022MMXXII
2023MMXXIII
2024MMXXIV
2025MMXXV

Use Cases

  • Converting numbers to Roman numerals for historical or academic purposes
  • Analyzing memory addresses in computer science
  • Converting between number systems in mathematics and computer science education

How It Works

The converter processes the input by:

  1. Iterating through each digit of the number
  2. Converting the number to its Roman numeral equivalent
  3. Displaying the result

Privacy and Security

This tool performs all conversions directly in your browser. No data is sent to any external server, ensuring that your information remains private and secure.