🏛️ Complete Roman Numerals Generator
Master Roman numerals with I, V, X, L, C, D, M symbols, bidirectional converter, educational content, and interactive calculator. Perfect for students, historians, educators, and anyone learning Roman numeral system with step-by-step explanations.
🔄 Roman Numeral Converter
Convert between Roman numerals and decimal numbers with step-by-step explanations and educational insights.
Complete Roman Numeral System
🏛️ Basic Roman Numerals
⚡ Roman Numeral Combinations
💯 Roman Numeral Hundreds
🎯 Roman Numeral Thousands
📝 Lowercase Roman Numerals
Roman Numeral Expressions & Examples
🏛️ Complete Roman Numerals Reference Table
Master the complete Roman numeral system with our comprehensive reference table. Click any Roman numeral to copy it instantly for use in your documents, clocks, dates, and historical references.
| Symbol | Name | HTML Code | Unicode | Category | Usage |
|---|---|---|---|---|---|
| 🏛️ Basic Roman Numerals | |||||
| I | I (One) | I | U+0049 | Basic | Represents 1 |
| V | V (Five) | V | U+0056 | Basic | Represents 5 |
| X | X (Ten) | X | U+0058 | Basic | Represents 10 |
| L | L (Fifty) | L | U+004C | Basic | Represents 50 |
| C | C (One Hundred) | C | U+0043 | Basic | Represents 100 |
| D | D (Five Hundred) | D | U+0044 | Basic | Represents 500 |
| M | M (One Thousand) | M | U+004D | Basic | Represents 1000 |
| ⚡ Common Roman Numeral Combinations | |||||
| IV | IV (Four) | IV | U+0049 U+0056 | Subtractive | 4 = 5 – 1 |
| IX | IX (Nine) | IX | U+0049 U+0058 | Subtractive | 9 = 10 – 1 |
| XL | XL (Forty) | XL | U+0058 U+004C | Subtractive | 40 = 50 – 10 |
| XC | XC (Ninety) | XC | U+0058 U+0043 | Subtractive | 90 = 100 – 10 |
| CD | CD (Four Hundred) | CD | U+0043 U+0044 | Subtractive | 400 = 500 – 100 |
| CM | CM (Nine Hundred) | CM | U+0043 U+004D | Subtractive | 900 = 1000 – 100 |
| 🎯 Large Roman Numerals | |||||
| MM | MM (Two Thousand) | MM | U+004D U+004D | Thousands | 2000 |
| MMM | MMM (Three Thousand) | MMM | U+004D U+004D U+004D | Thousands | 3000 |
| MMMM | MMMM (Four Thousand) | MMMM | U+004D U+004D U+004D U+004D | Thousands | 4000 |
| 🔢 Common Roman Numbers | |||||
| XVI | XVI (Sixteen) | XVI | U+0058 U+0056 | Additive | 16 = 10 + 6 |
| XX | XX (Twenty) | XX | U+0058 U+0058 | Additive | 20 = 10 + 10 |
| XXIV | XXIV (Twenty Four) | XXIV | U+0058 U+0058 U+0049 U+0056 | Additive | 24 = 20 + 4 |
| XXV | XXV (Twenty Five) | XXV | U+0058 U+0058 U+0056 | Additive | 25 = 20 + 5 |
| XXX | XXX (Thirty) | XXX | U+0058 U+0058 U+0058 | Additive | 30 = 10 + 10 + 10 |
| XL | XL (Forty) | XL | U+0058 U+004C | Subtractive | 40 = 50 – 10 |
| L | L (Fifty) | L | U+004C | Basic | Represents 50 |
| LX | LX (Sixty) | LX | U+004C U+0058 | Additive | 60 = 50 + 10 |
| LXX | LXX (Seventy) | LXX | U+004C U+0058 U+0058 | Additive | 70 = 50 + 20 |
| LXXX | LXXX (Eighty) | LXXX | U+004C U+0058 U+0058 U+0058 | Additive | 80 = 50 + 30 |
| XC | XC (Ninety) | XC | U+0058 U+0043 | Subtractive | 90 = 100 – 10 |
| 📝 Lowercase Roman Numerals | |||||
| i | i (one) | i | U+0069 | Lowercase | Represents 1 |
| v | v (five) | v | U+0076 | Lowercase | Represents 5 |
| x | x (ten) | x | U+0078 | Lowercase | Represents 10 |
| l | l (fifty) | l | U+006C | Lowercase | Represents 50 |
| c | c (one hundred) | c | U+0063 | Lowercase | Represents 100 |
| d | d (five hundred) | d | U+0064 | Lowercase | Represents 500 |
| m | m (one thousand) | m | U+006D | Lowercase | Represents 1000 |
🧮 Quick Roman Numerals Reference
Basic Symbols
I = 1 • V = 5 • X = 10 • L = 50
Large Values
C = 100 • D = 500 • M = 1000
Subtractive
IV = 4 • IX = 9 • XL = 40 • XC = 90
Thousands
MM = 2000 • MMM = 3000
Common Numbers
XVI = 16 • XX = 20 • XXIV = 24 • XXV = 25
More Hundreds
CD = 400 • CM = 900 • DC = 600 • DCC = 700
Roman Numeral Expressions and Applications
Fourteen – additive notation with X (10) + IV (4)
2024 – two thousand + twenty + four
1999 – subtractive notation: 1000 + (1000-100) + (100-10) + (10-1)
444 – four hundred + forty + four
788 – seven hundred + eighty + eight
1954 – one thousand + (1000-100) + fifty + four
1666 – one thousand + five hundred + one hundred + sixty + six
3888 – three thousand + eight hundred + eighty + eight
16 – sixteen using additive notation
24 – twenty-four using additive notation
25 – twenty-five using additive notation
30 – thirty using additive notation
60 – sixty using additive notation
70 – seventy using additive notation
80 – eighty using additive notation
98 – ninety-eight using subtractive notation
199 – one hundred ninety-nine using subtractive notation
299 – two hundred ninety-nine using subtractive notation
399 – three hundred ninety-nine using subtractive notation
Related Tools
Kilocalorie (Kcal) to British thermal unit (BTU)
PX to Percentage Converter
British thermal unit (BTU) and kilocalorie (Kcal)
EM to PX Converter
HSL to HEX Converter
therm to Btu
PX to EM Converter
btu to therm
REM to PX Converter
MMBTU to BTU