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Binary Converter

Convert between Binary, Decimal, Hex, and ASCII

Text / Decimal

Binary

Hexadecimal

What is Binary Converter?

Convert between binary, decimal, hexadecimal, and octal number systems with our free Binary Converter. Whether you're a computer science student learning number bases, a programmer debugging low-level code, or working with digital electronics, this tool provides instant bidirectional conversions with step-by-step explanations.

How to Use Binary Converter

1

Enter a number in any supported format (binary, decimal, hex, or octal).

2

Select the input number system from the dropdown.

3

View instant conversions to all other number systems.

4

Copy any result with one click.

Key Features

Convert between binary, decimal, hex, and octal
Support for large numbers and floating-point values
Real-time conversion as you type
Copy results with one click
Handles both signed and unsigned numbers

Frequently Asked Questions

How do I read binary numbers?

Binary uses only 0 and 1. Each position represents a power of 2, starting from the right: 1, 2, 4, 8, 16, etc. For example, binary 1010 = 8+0+2+0 = decimal 10.

Why do computers use binary?

Computers use binary because their electronic circuits have two states: on (1) and off (0). This maps perfectly to the binary number system, making it the foundation of all digital computing.

What is the largest binary number this tool supports?

Our converter supports very large numbers with up to 64-bit precision for integer values, and standard IEEE 754 precision for floating-point conversions.