Bits to Bytes

What are Bits and Bytes?

Bit (binary digit) is the smallest unit of data in computing. A bit can have only two values: 0 or 1. All digital information — text, images, video, and audio — is ultimately stored and processed as sequences of bits.

Byte is a unit of digital information that consists of 8 bits. A byte can represent 256 different values (from 0 to 255). It is the standard unit used to measure data storage and file sizes.

Bits to Bytes Formula

To convert bits to bytes, use this formula:

Common Conversions

• 8 bits = 1 byte (one character)
• 16 bits = 2 bytes
• 32 bits = 4 bytes (IPv4 address)
• 64 bits = 8 bytes (64-bit integer)
• 128 bits = 16 bytes (IPv6 address)
• 256 bits = 32 bytes (SHA-256 hash)
• 1,024 bits = 128 bytes

Common Applications

• Networking: bandwidth is often measured in bits per second (bps)
• Programming: understanding data types and memory allocation
• Cryptography: key sizes are specified in bits (128-bit, 256-bit)
• Data Storage: converting between bit-level and byte-level measurements