Hex to Binary Converter
Convert hex to binary instantly. Free online hex to bin calculator—expand each digit to 4 bits. For debugging and CS study.
How to Convert Hex to Binary
To convert hex to binary, convert each hex digit to its 4-bit binary equivalent. Since each hex digit represents exactly 4 bits, this hex to binary conversion is straightforward and commonly used in programming and debugging.
Hex to binary: replace each hex digit with its 4-bit pattern (pad left if needed). Inverse of bin→hex.
A₁₆ = 1010₂.
Reading register dumps. The table and FAQ on this page walk through the factor if you need it.
Conversion Examples
Example: F hex to binary
- F = 1111
F hex = 1111 binary
Max nibble.
Example: 2A hex to binary
- 2=0010, A=1010 → 00101010
2A hex = 00101010 binary
Two nibbles.
Common Use Cases
- Reading register dumps.
- Digital logic design.
- Low-level debugging.
- Exam conversions.
Frequently Asked Questions
How do I convert hex to binary?
Convert each hex digit to 4 binary digits and concatenate.
Do I drop leading zeros?
You may for value; keep them for fixed bit width (e.g. 8-bit).
What is 1 hex in binary?
0001.