Binary Multiplication Calculator
Multiply two binary numbers step by step, showing intermediate partial products and the final result in binary and decimal.
Published by:
isCalculator Editorial Team
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How to use this tool?
How to Use the Binary Multiplication Calculator
This calculator multiplies two binary numbers (base-2) and shows the result in both binary and decimal, along with step-by-step partial products.
- Enter Binary Numbers — Type valid binary numbers (only digits
0and1) into the two input fields. Examples:1011,1101. - Click "Multiply" — Press the blue Multiply button or hit Enter while in either input field.
- View Results — The result appears below:
- Result — Shows the product in binary and its decimal equivalent.
- Step-by-Step — Lists each partial product (with decimal value) and the final sum, helping you understand the multiplication process.
Tip: If you see an error, ensure both inputs contain only 0 and 1 with no spaces or other characters.
Previous Results
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Frequently Asked Questions
Binary multiplication works like decimal multiplication but using only 0 and 1. Each digit of the second number multiplies the first number, creating partial products that are shifted left and then summed.
Yes, the calculator handles binary numbers of any length, limited only by JavaScript's integer precision (up to 2^53). For very large numbers, results may be approximate.
The calculator will display an error message. Only digits 0 and 1 are allowed. Spaces are not permitted.
