Number Base Converter

Convert between Binary, Octal, Decimal, and Hexadecimal

Instant conversion between different number systems. Perfect for programmers, students, and anyone working with computer science.

Binary (Base 2)

Uses digits: 0, 1

Example: 11111111 = 255 in decimal

Uses digits: 0-7

Example: 377 = 255 in decimal

Uses digits: 0-9

Example: 255 (standard number system)

Uses: 0-9, A-F

Example: FF = 255 in decimal

Decimal	Binary	Octal	Hexadecimal
0	0	0	0
1	1	1	1
2	10	2	2
3	11	3	3
4	100	4	4
5	101	5	5
6	110	6	6
7	111	7	7
8	1000	10	8
9	1001	11	9
10	1010	12	A
15	1111	17	F
16	10000	20	10
31	11111	37	1F
32	100000	40	20
63	111111	77	3F
64	1000000	100	40
127	1111111	177	7F
128	10000000	200	80
255	11111111	377	FF

Fundamental to all digital electronics. Each digit represents a power of 2. Used in computer memory, processors, and digital logic.

Historical importance in computing. Each octal digit represents 3 binary digits. Still used in Unix file permissions.

The standard number system we use daily. Based on powers of 10. Most intuitive for human understanding.

Compact representation of binary. Each hex digit = 4 binary digits. Widely used for colors, memory addresses, and debugging.

🔢 Programming: Convert between bases for bitwise operations and debugging
🎨 Web Design: Convert hex color codes to RGB decimal values
💾 Memory Addresses: Read hexadecimal memory addresses in decimal
🔐 File Permissions: Understand Unix octal permission values
🎓 Learning: Computer science education and understanding low-level programming
⚙️ Hardware: Configure embedded systems and microcontrollers

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