Binary Converter
Convert between Binary, Decimal, Hexadecimal, and Octal number systems
Number Conversion
Enter a number and select the conversion bases
Conversion Result
Number conversion and all base representations
Enter a number to convert between bases
Common Examples
Click to load common number examples
8-bit Max
Dec: 255
Hex: FF
Bin: 11111111
16-bit Max
Dec: 65535
Hex: FFFF
Bin: 111111111111...
Common Powers
Dec: 128
Hex: 80
Bin: 10000000
RGB Red
Dec: 255
Hex: FF
Bin: 11111111
ASCII A
Dec: 65
Hex: 41
Bin: 1000001
Byte
Dec: 255
Hex: FF
Bin: 11111111
Number Base Systems
Binary (Base 2)
Uses only 0 and 1. Each position represents a power of 2. Fundamental to computer systems and digital electronics.
Hexadecimal (Base 16)
Uses 0-9 and A-F. Compact representation of binary data. Commonly used in programming and computer science.