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 It Works
The Binary Calculator runs entirely in your browser using JavaScript. Unlike other tools that send your data to a server, we process everything locally on your device. This guarantees 100% privacy and blazing fast speed.
- No server interaction – data never leaves your device
- Instant results since there is no network latency
- Works offline once the page is loaded
- Free to use with no usage limits
How to Use
Enter binary numbers
Paste or type two binary numbers (0s and 1s). We validate inputs instantly.
Pick an operation
Choose math (+, −, ×, ÷) or bitwise (AND, OR, XOR) to combine the numbers.
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.
Frequently Asked Questions
Can I mix decimal digits?
How big can the numbers be?
Do you support signed numbers?
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.