binary/hex/decimal converter

Convert numbers between binary, decimal, octal, and hexadecimal systems instantly. An essential tool for computer science students, developers, and engineers.

Input
Display Options
Binary Grouping
Hex Case
Live Conversions
Decimal

42

Binary

0010 1010

Hexadecimal

2A

Octal

52

Quick Guide

Getting Started in Seconds

01

Enter Value

Type the number you want to convert into any of the input fields.

02

Automatic Sync

The other fields will update automatically as you type.

03

Copy Result

Copy the converted value in the format you need for your code.

Related Tools

Support

Common
Questions

Have a different question about Binary/Hex/Decimal Converter? Feel free to reach out or explore our other documentation.

1When should I use this binary to decimal converter?

Have you ever found yourself in a computer science class, looking at a string of zeros and ones and wondering what the actual number is? Our tool is designed for that 'a-ha!' moment, instantly giving you the decimal and hexadecimal versions.

2Is it really true that my data stays on my computer?

Yes, that's exactly how it works. We use 'client-side' processing, which is like have a personal math translator. Your input and results are never sent to a server, keeping your data 100% private.

3Can I convert between all major number systems?

Imagine you're solving a complex memory allocation problem—binary, hex, and octal are all equally important. Our tool supports them all in a single sync, so your results are always in the format your system needs.

Binary to Decimal/Hex Converter - Computer Science Math | T00lz