Roman Numeral Converter
Convert between Roman numerals and Arabic numbers
roman
numeral
numbers
Share this tool:
Quick Examples
Click any example to try it out
1Arabic to Roman
Convert Arabic numbers (1-3999) to Roman numerals
2Roman to Arabic
Convert Roman numerals to Arabic numbers
Roman Numeral Reference
Basic Symbols
I = 1
V = 5
X = 10
L = 50
Advanced Symbols
C = 100
D = 500
M = 1000
Subtractive Notation
IV = 4
IX = 9
XL = 40
XC = 90
More Examples
CD = 400
CM = 900
MMM = 3000
Continue Your Converters Journey
More tools you might find useful
Binary Hex Decimal Converter
Convert between binary, hexadecimal, decimal number systems
Unit Converter
Transform measurements across length, weight, temperature, volume and more
Time Zone Converter
Adjust times across world cities and time zones with DST support
Weight Converter
Switch between grams, pounds, kilograms, ounces, stones, tons with accuracy
🌈 Browse More Tools
Complete Guide: Roman Numeral Converter
Everything you need to know about using Roman Numeral Converter effectively
Related Tools
More tools you might find useful
Data Rate Converter
Transform data transfer rates in bps, kbps, mbps, gbps
Baking Ingredient Converter
Transform baking ingredients between weight and volume measurements
Celsius to Fahrenheit Converter
Shift temperatures between Celsius and Fahrenheit scales accurately
Engine Displacement Converter
Change engine displacement between cc, liters, cubic inches
Cooking Measurement Converter
Convert kitchen measurements like cups, tablespoons, teaspoons, grams
Shoe Size Converter
Convert shoe sizes between US, UK, EU, CM systems
Time Converter
Transform time units between seconds, minutes, hours, days, weeks
Miles to KM Converter
Convert miles to kilometers for travel and navigation
Related Collections
Collections that include this tool - discover more tools in these curated collections