About the Hex Converter
Convert hexadecimal to decimal, binary and octal, with the byte breakdown.
Also known as: hex to decimal, decimal to hex, hexadecimal converter, hex to binary.
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 hex digit represents exactly 4 bits
Worked example
Using the values pre-filled in the calculator above:
- Value: 1A2F
- Input base: Hexadecimal
the calculator returns:
- Hexadecimal: 1A2F
- Decimal: 6703
- Binary: 1101000101111
- Octal: 15057