Binary/Decimal/Hex Converter: Number System Made Easy
Converting between binary, decimal, hexadecimal, and octal is a common task for programmers and students. This converter handles all four systems instantly.
What It Does
This tool converts numbers between binary (base 2), decimal (base 10), hexadecimal (base 16), and octal (base 8). Enter a value in any system and see the equivalent in all others simultaneously. It supports large numbers and updates results as you type.
How to Use It
Select the input number system, type your number, and the tool displays conversions in all four bases in real time. You can switch input modes at any time. Copy any result to your clipboard with the copy button next to each output.
Tips & Tricks
Use hex for working with colors in web development, where each pair of hex digits represents an RGB channel. Binary is essential when working with bitwise operations and permissions masks. Prefix hex values with 0x and binary with 0b when pasting into code.
Use Cases
Computer science students learn number systems by checking their manual conversion homework. Web developers convert hex color codes to RGB decimal values. Network engineers convert IP subnet masks between decimal and binary notation.
Try Binary/Decimal/Hex Converter Now
Ready to get started? Use this free tool directly in your browser — no sign-up required.
Open Binary/Decimal/Hex Converter