About the Binary Converter
Binary is base 2: every digit is a power of two. Converting to decimal, hex or octal is a matter of regrouping those bits — four bits make one hex digit, three make one octal digit. This converter handles arbitrarily large integers and shows the bit length and two’s-complement form.
Also known as: binary to decimal, decimal to binary, binary calculator, bin to hex, base 2 converter.
How to use this calculator
- Enter value, input base.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Each binary digit is a power of 2, read from right to left
Worked example
Using the values pre-filled in the calculator above:
- Value: 11010110
- Input base: Binary (base 2)
the calculator returns:
- Binary: 11010110
- Decimal: 214
- Hexadecimal: D6
- Octal: 326