01
Enter Number
Enter the number you want to convert.
All Converters
Number Base Converter
Convert numbers between binary, decimal, octal and hexadecimal number systems instantly.
1010
Your converted number will appear here
Enter a number, choose its current base and select the number system you want to convert it to.
Supported Number Systems
BIN
Base 2
OCT
Base 8
DEC
Base 10
HEX
Base 16
Number Base Reference
Common number systems
Compare the bases, available digits and common uses of each supported number system.
Binary
Base 2
Digits: 0, 1
Example: 1010 = 10
Octal
Base 8
Digits: 0 – 7
Example: 12 = 10
Decimal
Base 10
Digits: 0 – 9
Example: 10 = 10
Hexadecimal
Base 16
Digits: 0 – 9, A – F
Example: A = 10
Simple Process
Convert Number Bases in 3 Steps
Enter a whole number, select the source and destination bases and see the result in binary, octal, decimal and hexadecimal.
02
Select Bases
Choose the source and destination number systems.
03
View Conversion
See the result in binary, octal, decimal and hexadecimal.