Hexadecimal to Binary Converter

Valid hexadecimal characters: 0-9, A-F (case insensitive)

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Enter a hexadecimal value to see the conversion steps here.

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Hexadecimal to Binary Converter

A Hexadecimal to Binary Converter helps convert hexadecimal numbers (base-16) into binary numbers (base-2). This conversion is widely used in computer programming, digital electronics, and number system studies.

Hexadecimal to Binary Conversion Formula:
Replace each hexadecimal digit with its 4-bit binary equivalent and combine all the binary groups to get the final binary number.

What Is the Hexadecimal Number System?

The hexadecimal number system is a base-16 number system. It uses digits 0–9 and letters A–F, where A = 10 and F = 15.

What Is the Binary Number System?

The binary number system is a base-2 number system used by computers. It uses only two digits: 0 and 1, where 1 represents ON and 0 represents OFF.

How to Convert Hexadecimal to Binary

  1. Write the hexadecimal number
  2. Convert each hexadecimal digit into a 4-bit binary value
  3. Keep leading zeros where necessary
  4. Combine all binary groups in the same order
  5. The result is the binary number

Example: Convert 3A (Hexadecimal) to Binary

Hexadecimal Digit Binary (4-bit)
30011
A1010

3A₁₆ = 00111010₂

Hexadecimal to binary conversion example showing step by step replacement of hex digits with 4-bit binary values and a hex to binary conversion table

Hexadecimal to Binary Conversion Table

Hexadecimal Binary
00000
10001
20010
30011
40100
50101
60110
70111
81000
91001
A1010
B1011
C1100
D1101
E1110
F1111

FAQ on Hexadecimal to Binary Converter

1. What is hexadecimal to binary conversion?

Hexadecimal to binary conversion is the process of converting a base-16 number into a base-2 number by replacing each hexadecimal digit with its 4-bit binary equivalent.

2. Why does each hexadecimal digit use 4 binary bits?

Because hexadecimal is base-16 and 2⁴ equals 16, so each hexadecimal digit maps exactly to four binary bits.

3. What is the easiest way to convert hexadecimal to binary?

The easiest way is using a direct hex-to-binary table and converting each digit into its 4-bit binary form.