- Enter the Decimal to Binary Converter input in the field on the page.
- Click "Convert" to run the tool in your browser.
- Read the result below the form and copy it if you need it in another app.
Decimal to Binary Converter
Convert decimal numbers (base-10) to binary numbers (base-2) with this simple online tool.
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How to Use This Tool
Learn More About Decimal to Binary Converter
Decimal to Binary Conversion
To convert a decimal number to binary, repeatedly divide the decimal number by 2, noting the remainder at each step. The binary digits are the remainders, read in reverse order.
Example
Decimal: 10
10 / 2 = 5, remainder 0 5 / 2 = 2, remainder 1 2 / 2 = 1, remainder 0 1 / 2 = 0, remainder 1
Binary: 1010 (reading remainders in reverse)
About
Convert decimal numbers (base-10) to binary numbers (base-2) with this simple online tool. Binary uses only the digits 0 and 1, making it the fundamental language of digital computers and electronic circuits. Just enter a decimal integer, and the converter will instantly display its binary equivalent. For example, the decimal number 42 becomes 101010 in binary. This tool is essential for programmers, computer science students, and anyone working with low-level digital systems.
Examples
Valid decimal
Decimal number
Input
10
Output
1010
Zero
Decimal number
Input
0
Output
0
Use Cases
- Computer science education and learning about binary numbers
- Digital circuit design and analysis
- Low-level programming and embedded systems
- Understanding how computers store data