Binary to Hex Converter

Convert binary to hexadecimal using base conversion

Binary Input
Hex Output
DAB
12 bits
3 hex

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How Binary to Hex Conversion Works

Binary (base-2) to hexadecimal (base-16) conversion groups binary digits in sets of 4 (because 2⁴ = 16). Each 4-bit group corresponds to one hex digit: 0000=0, 0001=1, ... 1111=F. For example, 1101 1010 1011 binary = D A B hex.

Frequently Asked Questions

Why group binary in 4 bits?
Because 4 bits (16 possible values) exactly represent one hexadecimal digit (0-9, A-F). This makes conversion straightforward and is the standard in computing.
What if binary length isn't multiple of 4?
Our converter automatically pads with leading zeros. For example, 110 binary becomes 0110 = 6 hex. This ensures correct conversion.
Where is hex used?
Hex is everywhere in computing: memory addresses (0x7FFF), color codes (#FF5733), MAC addresses, and debugging. It's more compact than binary but still easy to convert.