1 Hex Digit Exactly 4 Bits Instant Mobile Friendly Nibble Mapping 100% Free
4-Bit Hexadecimal Converter

Hex to Binary Nibble Converter

Convert a single hexadecimal digit into its exact 4-bit binary nibble. Enter any value from 0–9 or A–F and instantly see the four binary bits, decimal equivalent, and bit-position values.

Exactly one hex digit Designed specifically for nibble-level conversion.
Always four binary bits Leading zeros are retained because a nibble is exactly 4 bits.
Bit positions shown See the 8, 4, 2 and 1 place values individually.
Useful for low-level work Ideal for bytes, registers, masks and hexadecimal inspection.
Hex Nibble Converter
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Enter exactly one hexadecimal digit: 0–9 or A–F
4-BIT BINARY NIBBLE BASE 2
1010
8’s BIT 1
4’s BIT 0
2’s BIT 1
1’s BIT 0
A₁₆ = 1010₂ = 10₁₀
TRY HEX DIGITS
CURRENT NIBBLE
HEX A
DECIMAL 10
BIT WIDTH 4 bits
Nibble Size Exactly 4 binary bits
Hex Range 0 through F
Decimal Range 0 through 15
Byte Relation 2 nibbles = 1 byte
Example A = 1010

Hex to Binary Nibble Converter

The Hex to Binary Nibble Converter converts exactly one hexadecimal digit into its corresponding four-bit binary nibble. It is designed for situations where you need the complete bit pattern of a single hexadecimal symbol rather than the binary representation of a multi-digit hexadecimal number.

A nibble contains exactly four bits. Because one hexadecimal digit has sixteen possible values and four binary bits also provide sixteen possible patterns, a hexadecimal digit and a binary nibble have a perfect one-to-one relationship.

Example: A16 corresponds to decimal 10 and the four-bit binary nibble 10102.

What Is a Binary Nibble?

A nibble is a group of exactly four binary bits. Because each bit can be either 0 or 1, four bits provide sixteen possible combinations.

4 binary bits: 0000 through 1111 Number of combinations: 2⁴ = 16

These sixteen patterns match the sixteen digits used by hexadecimal: 0 through 9 followed by A through F.

Why One Hex Digit Is Exactly One Nibble

Hexadecimal is a base-16 number system. A single hexadecimal position can represent one of sixteen values. A four-bit binary field can represent exactly the same sixteen values.

Hexadecimal digit: 0–F = 16 possibilities Binary nibble: 0000–1111 = 16 possibilities Therefore: 1 hex digit = 1 binary nibble = 4 bits

This exact relationship is the reason hexadecimal is so widely used as a compact representation of binary information.

Hex to Binary Nibble Conversion Table

The complete nibble table below contains every valid hexadecimal digit and its four-bit binary equivalent.

Hex Binary Nibble Decimal Bit Values
0000000 + 0 + 0 + 0
1000110 + 0 + 0 + 1
2001020 + 0 + 2 + 0
3001130 + 0 + 2 + 1
4010040 + 4 + 0 + 0
5010150 + 4 + 0 + 1
6011060 + 4 + 2 + 0
7011170 + 4 + 2 + 1
8100088 + 0 + 0 + 0
9100198 + 0 + 0 + 1
A1010108 + 0 + 2 + 0
B1011118 + 0 + 2 + 1
C1100128 + 4 + 0 + 0
D1101138 + 4 + 0 + 1
E1110148 + 4 + 2 + 0
F1111158 + 4 + 2 + 1

Example: Convert Hex A to a Binary Nibble

Hexadecimal A represents decimal 10. In a four-bit field, decimal 10 is created by enabling the 8 and 2 positions.

Bit weights: 8 4 2 1 A = 10 decimal 10 = 8 + 2 Bits: 1 0 1 0 A₁₆ = 1010₂

Example: Convert Hex F to a Binary Nibble

F is the largest single hexadecimal digit and represents decimal 15. All four binary positions are therefore set to 1.

F₁₆ = 15₁₀ 15 = 8 + 4 + 2 + 1 Binary nibble: 1111

Why Leading Zeros Must Be Kept in a Nibble

For an ordinary mathematical binary integer, leading zeros can usually be removed. A nibble is different because the purpose is to represent an exact four-bit field.

Hex 2: Full nibble: 0010 Mathematical binary integer: 10

Both forms have the same numerical value, but only 0010 is a complete four-bit nibble. This calculator therefore never removes leading zeros from its nibble output.

Nibble Bit Positions: 8, 4, 2 and 1

The four positions in a binary nibble represent powers of two. From left to right, their numerical weights are 8, 4, 2 and 1.

Bit positions: 2³ 2² 2¹ 2⁰ Weights: 8 4 2 1

To determine the decimal value of a nibble, add the weights associated with bit positions containing 1.

Example: Understanding Binary Nibble 1101

Binary nibble: 1 1 0 1 Weights: 8 4 2 1 Enabled values: 8 + 4 + 0 + 1 = 13 decimal 13 decimal = D hexadecimal D₁₆ = 1101₂

Nibble vs Byte

A nibble contains four bits, while a byte normally contains eight bits. That means one byte can be divided into two hexadecimal-sized nibbles.

1 nibble = 4 bits 2 nibbles = 8 bits 8 bits = 1 byte Therefore: 2 hex digits = 1 byte

For example, hexadecimal AF contains two nibbles. A maps to 1010 and F maps to 1111, producing the byte 10101111.

High Nibble and Low Nibble

When an 8-bit byte is separated into two halves, the first four bits are often called the high nibble and the final four bits the low nibble.

Hex byte: AF High nibble: A → 1010 Low nibble: F → 1111 Byte: 1010 1111

This nibble-level view is frequently useful when inspecting bytes, registers and compact binary fields.

Where Hexadecimal Nibbles Are Used

Nibble-level hexadecimal conversion is especially useful in low-level computing because hexadecimal digits align directly with four-bit groups.

  • Inspecting individual fields inside bytes.
  • Reading binary hardware registers.
  • Understanding bit masks.
  • Analyzing firmware data.
  • Working with packed flags.
  • Studying machine-code representations.
  • Debugging embedded systems.
  • Breaking bytes into high and low nibbles.
  • Learning binary and hexadecimal relationships.
  • Checking individual hexadecimal digits manually.

Hex Nibble vs Full Hex to Binary Conversion

A standard Hex to Binary Converter may process many hexadecimal digits and join their binary groups into a larger result. The Hex to Binary Nibble Converter intentionally performs a narrower task.

This tool accepts one hexadecimal digit only and always returns exactly four binary bits.

That makes it useful when you specifically need to inspect or verify one nibble rather than convert an entire hexadecimal number.

Common Hex Nibble Conversion Mistakes

  • Removing leading zeros from a four-bit nibble.
  • Entering more than one hexadecimal digit.
  • Using characters beyond A through F.
  • Thinking hexadecimal A represents decimal 11 instead of 10.
  • Reversing the bit-position order.
  • Using weights 1, 2, 4, 8 from left to right instead of 8, 4, 2, 1.
  • Confusing a four-bit nibble with an eight-bit byte.
  • Assuming every binary integer must always be displayed with four bits.

Hex to Binary Nibble Converter FAQs

What is a nibble in binary?
A nibble is exactly four binary bits. It can represent values from binary 0000 through 1111, equivalent to decimal 0 through 15.
How many bits are in one hexadecimal digit?
Exactly four bits. One hexadecimal digit therefore corresponds directly to one binary nibble.
What is hexadecimal A as a binary nibble?
A hexadecimal equals decimal 10 and binary 1010.
What is hexadecimal F in binary?
F hexadecimal maps to the four-bit binary nibble 1111.
What is hexadecimal 2 as a nibble?
Hexadecimal 2 is represented as 0010 when written as a complete four-bit binary nibble.
Why is hex 1 shown as 0001 instead of 1?
The numerical binary value can be written as 1, but a nibble must contain exactly four bits. Therefore its nibble representation is 0001.
Can this converter accept two hex digits?
No. This calculator is intentionally limited to one hexadecimal digit because its purpose is exact nibble conversion.
What is the largest value that fits in one nibble?
The largest four-bit value is binary 1111, which equals decimal 15 and hexadecimal F.
How many hexadecimal values fit in one nibble?
There are sixteen possible values: 0 through 9 and A through F.
How many nibbles are in one byte?
Two nibbles make one eight-bit byte.
What is a high nibble?
The high nibble is the upper four bits of an eight-bit byte. It corresponds to the first hexadecimal digit when the byte is written as two hex digits.
What is a low nibble?
The low nibble is the lower four bits of an eight-bit byte and corresponds to the second hexadecimal digit.

Convert One Hex Digit to a 4-Bit Binary Nibble

Enter any single hexadecimal digit from 0 through F above and select Convert Nibble. The calculator returns the exact four-bit binary representation, decimal value and individual 8, 4, 2 and 1 bit positions.

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