Decimal to Binary

Conversion happens locally in your browser. No data is sent to any server.

Convert decimal numbers to binary. Binary uses only 0 and 1 to represent values.

Conversion happens locally in your browser. No data is sent anywhere.

FAQ

What is binary used for?
Binary is the fundamental language of computers. All data is ultimately stored and processed as sequences of 0s and 1s.
How do I read binary numbers?
Each position represents a power of 2. From right to left: 1, 2, 4, 8, 16, etc. For example, 1011 = 8+0+2+1 = 11.