Kibibit (Kib) - Unit Information & Conversion
What is a Kibibit?
Definition
A kibibit (Kib) is a unit of digital information equal to 210 bits, which is exactly 1,024 bits. It uses the binary prefix 'kibi-' established by the International Electrotechnical Commission (IEC). The kibibit is closely related to the kilobit (kb), which is defined using the decimal prefix 'kilo-' (103 or 1,000 bits).
History
The prefix 'kibi-' (representing 210) was defined by the IEC in 1998 alongside other binary prefixes (mebi-, gibi-, tebi-, etc.). This standardization aimed to eliminate the confusion caused by using SI prefixes (like kilo-) to denote both powers of 1000 (decimal) and powers of 1024 (binary) which were common in computing. The term 'kibibit' specifically refers to the 210 multiple of bits.
Common Uses
While less common in everyday usage than the kilobit (kb) – often used for data transfer rates (kbps) – the kibibit is important where binary precision for bit quantities is required:
- Technical specifications for memory chips or data buses where capacities are measured in powers of 2 at the bit level.
- Internal calculations within data communication protocols or hardware operating on binary multiples.
- Theoretical calculations in computer science and information theory.
- Ensuring accuracy when comparing binary (Kib) and decimal (kb) data quantities.
Unit FAQs
How many bits are in a kibibit?
There are exactly 210 bits in 1 kibibit (Kib). This equals 1,024 bits.
What is the difference between a kibibit (Kib) and a kilobit (kb)?
A kibibit (Kib) represents 210 bits (1,024 bits), using the binary prefix 'kibi-'. A kilobit (kb) represents 103 bits (1,000 bits), using the decimal prefix 'kilo-'. A kibibit is 2.4% larger than a kilobit (1 Kib = 1.024 kb).
What is the difference between a kibibit (Kib) and a kibibyte (KiB)?
A kibibit (Kib) measures information in bits, while a kibibyte (KiB) measures information in bytes. Assuming the standard 1 byte = 8 bits, 1 kibibyte (KiB) is equal to 8 kibibits (Kib). Both use the binary prefix 'kibi-' (representing a factor of 210 or 1,024).
Why use kibibit instead of kilobit?
Using kibibit (Kib) removes ambiguity. When you see Kib, you know it specifically means 1,024 bits. Kilobit (kb) should mean 1,000 bits according to SI standards, but historically it was sometimes used informally to mean 1,024 bits, leading to confusion. Kib provides clarity in technical contexts requiring binary precision.
Kibibit Conversion Formulas
To Bit:
To Byte:
To Kilobit:
To Kilobyte:
To Megabit:
To Megabyte:
To Gigabit:
To Gigabyte:
To Terabit:
To Terabyte:
To Petabit:
To Petabyte:
To Exabit:
To Exabyte:
To Kibibyte:
To Mebibit:
To Mebibyte:
To Gibibit:
To Gibibyte:
To Tebibit:
To Tebibyte:
To Pebibit:
To Pebibyte:
To Exbibit:
To Exbibyte:
Convert Kibibit
Need to convert Kibibit to other data storage units? Use our conversion tool.