Binary Calculator

Add, subtract, multiply, divide, or run bitwise operations on any binary numbers. View results in binary, decimal, and hexadecimal with instant validation.

Work with binary like a pro

Paste long binary strings, pick an operation, and instantly see results in every base. Use the presets to explore networking masks, bitmasks, or large integer math.

Binary inputs

Enter only 0s and 1s. The calculator validates as you type.

Choose operation

Add

1010 + 110

0001 0000

Binary

Decimal

Hex

Bit insights

  • Bit length: 5
  • Ones count: 1
  • Padded result: 00010000

Binary calculator tips

  • Add spaces every 4 bits to read results faster (option above).
  • Use bitwise operations with bitmasks to toggle or inspect individual bits.
  • Division drops the fractional part; remainder shows what is left over.

When to use this tool

Perfect for computer architecture homework, prepping for technical interviews, configuring network masks, or debugging low-level code. Paste values from hex or decimal converters to round out your workflow.

How this Binary Calculator works

This specialized calculator performs arithmetic operations (addition, subtraction, multiplication, division) on numbers represented in binary notation (base-2 numbering system using only 0 and 1 digits). The tool accepts binary input strings, validates digit correctness, executes computations through bit manipulation or conversion algorithms, and displays results in binary format with optional decimal equivalents for verification.

Binary addition implements logic mirroring elementary addition but with base-2 carry rules: 0+0=0, 0+1=1, 1+0=1, 1+1=10 (zero with carry). The algorithm processes bits right-to-left using full adder logic with carry propagation through each position. Subtraction employs two's complement representation for negative numbers, converting subtraction operations into addition of negative values. Multiplication occurs through shift-and-add algorithms or repeated addition, while division uses long division adapted for binary arithmetic or successive subtraction approaches.

Advanced features include bitwise logical operations (AND, OR, XOR, NOT), bit shifting for quick multiplication/division by powers of two, and signed number support using two's complement notation. The calculator displays step-by-step solutions showing carry propagation, borrow operations, or intermediate shift states for educational purposes. Users learn computer arithmetic fundamentals, verify assembly language calculations, debug low-level code, or solve computer science coursework problems. The interface typically provides result conversion to hexadecimal and decimal simultaneously, facilitating quick verification of binary computation accuracy.

How to Use

1

Enter binary numbers

Paste or type two binary numbers (0s and 1s). We validate inputs instantly.

2

Pick an operation

Choose math (+, −, ×, ÷) or bitwise (AND, OR, XOR) to combine the numbers.

3

Review every format

See binary, decimal, and hex results along with bit length, ones count, and calculation history.

Example Usage

Add two binary numbers and instantly view the result in multiple bases.

Input
10010101 + 111010
Output
Result (binary): 11001011 Decimal: 203 Hex: CB

Frequently Asked Questions

What does the Binary Calculator do?
It helps you calculate using binary numbers (base-2). You can add, subtract, multiply, divide, and often convert between binary, decimal, and hexadecimal.
Can I convert binary to decimal and hex?
Yes. Most binary calculators include quick conversions so you can switch between number systems without manual steps.
Why do I see an error with my binary input?
Binary numbers only use 0 and 1. If your input includes other digits, spaces, or symbols, the calculator may reject it. Remove extra characters and try again.
Does it support negative numbers?
Some binary calculators support signed formats like two's complement, while others only support unsigned values. If you see a signed/unsigned option, pick the one that matches your use case.
Is the Binary Calculator safe to use?
Yes. It runs 100% client-side, so your calculations stay in your browser.

Related Tools

The Binary Calculator is maintained by CodeItBro. We aim to provide the best free developer tools on the web. If you have feedback or suggestions, please visit our contact page.

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