Number Base Converter

Convert numbers between binary, octal, decimal, hexadecimal, and any base from 2 to 36.

Quick Convert
All Formats
Bit Information
0
Bits needed
0
Bytes needed
0
Max unsigned (8-bit)
-128 to 127
Signed range (8-bit)
Quick Reference
Binary (Base 2)

Digits: 0, 1
Used in: Digital systems, bitwise operations

Octal (Base 8)

Digits: 0-7
Used in: Unix permissions, legacy systems

Decimal (Base 10)

Digits: 0-9
Used in: Everyday numbers

Hexadecimal (Base 16)

Digits: 0-9, A-F
Used in: Colors, memory addresses