Hex / Decimal Converter

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

Math v1.0.0 158 uses

Number System Converter

Type in any field to convert instantly

Hexadecimal (Base 16)

Decimal (Base 10)

Octal (Base 8)

Binary (Base 2)

Quick Values

Reference Table (0-15)

Dec	Hex	Oct	Bin

About This Tool

This number system converter instantly translates values between hexadecimal, decimal, octal, and binary representations. It is a must-have tool for programmers, computer science students, and hardware engineers who regularly work with different number bases in debugging, memory addressing, or bitwise operations. Enter a value in any base and see all equivalent representations simultaneously.

How to Use

1 Enter a number in any supported format (hexadecimal, decimal, octal, or binary)
2 Select the input base if it is not auto-detected
3 View the instant conversion to all other number systems displayed simultaneously
4 Copy the converted value in whichever base you need