Binary:

Decimal:

Hexadecimal:

What this tool does

This converter translates values between binary, decimal, and hexadecimal notation. It is useful for quick checks in everyday calculations, teaching, and development.

How to use the tool

Enter a valid value in one of the three number systems.
Review the automatically calculated values in the other bases.
Copy the value you need for a calculation or document.

Useful applications

Converting binary values from technical data into decimal.
Representing decimal values as hexadecimal for addresses, masks, or color values.
Comparing number systems while learning or reviewing code examples.

Notes and limitations

The input must match the selected number system; characters outside that base are rejected.
The tool works with whole numbers and does not replace calculations for special data types or overflow handling.

Frequently asked questions

When is hexadecimal useful?

Hexadecimal groups four binary bits into one digit, which makes many technical values more compact to read.