Binary Calculator
Add, subtract, multiply and divide binary numbers online, with decimal results shown alongside. Free, fast and private.
Your result will appear here.
How to use Binary Calculator
- Enter two binary numbers using only 0s and 1s.
- Choose add, subtract, multiply or divide.
- Click Calculate to see the binary and decimal result.
Note: this tool runs in your browser. Nothing is uploaded.
Frequently Asked Questions
Is this tool free?
Yes, it is 100% free with no sign-up. Your data stays in your browser.
Do I need to install anything?
No. It works in any modern browser on phone, tablet or computer.
Is my data uploaded?
No. This tool runs entirely in your browser and your input is never uploaded to a server.
Can the result be negative?
Yes. Subtraction can give a negative result, shown with a minus sign in both binary and decimal.