Data Converter

Convert between binary, hexadecimal, decimal, and octal number systems

Enter a valid number in the selected format
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Number System Reference

Decimal (Base-10)

Uses digits 0-9. Most common number system used in everyday life.

Example: 255
Binary (Base-2)

Uses only 0 and 1. Foundation of all digital computing.

Example: 11111111
Hexadecimal (Base-16)

Uses digits 0-9 and letters A-F. Common in programming and memory addresses.

Example: FF
Octal (Base-8)

Uses digits 0-7. Historically used in computing, less common today.

Example: 377

Common Data Conversions

Decimal Binary Hexadecimal Octal
0 0 0 0
1 1 1 1
10 1010 A 12
255 11111111 FF 377
1024 10000000000 400 2000