Number System Converter
Convert numbers between different number systems: Binary, Decimal, Octal, and Hexadecimal.
From
Binary (Base 2)
Decimal (Base 10)
Octal (Base 8)
Hexadecimal (Base 16)
Number
To
Binary (Base 2)
Decimal (Base 10)
Octal (Base 8)
Hexadecimal (Base 16)
Convert
Result
0
All Number Systems
Binary:
0
Decimal:
0
Octal:
0
Hexadecimal:
0
Number System Guide
System
Base
Digits
Example
Binary
2
0, 1
1010
Decimal
10
0-9
42
Octal
8
0-7
52
Hexadecimal
16
0-9, A-F
2A