Bit (b) is the smallest unit to measure digital data where as Byte is commonly used as the
smallest addressable unit of storage in many computer systems. A Nibble can be formed by grouping 4 bits, can have up to 16 values.
Below chart illustrates the comparison between Decimal (SI Standard) and Binary (IEC Standard) units.
Digital Data Units - Definitions
Bit : Bit (binary digit) is the most basic unit of information in digital computing and communications systems. Bit is the smallest unit to represent digital data. A bit represents a logical state with one of two possible values either 1 or 0. The unit symbol for bit is b.
Nibble : Nibble is an aggregation of four bits. It is also called a quadbit or a half-byte. Nibble can have up to 16 possible values.
Byte : Byte is a unit of digital information that most commonly consists of eight bits. A single byte can be used to represent 256 different values. 1000bytes = 1 Kilobyte (KB). 1024 bytes = 1 Kibibyte (KiB).
Kilobit : One Kilobit is 103 or 1000 Bits. The unit symbol for Kilobit is kbit or kb. Kilobit is not same as Kibibit (Kib) that contains 1024 bits. 1000 Kilobits = 1 Megabit (Mbit).
Kibibit : One Kibibit is 210 or 1024 Bits. The unit symbol for Kibibit Kibit. Kibibit is not same as Kilobit (Kb) that contains 1000 bits. 1024 Kibibits = 1 Mebibit (Mibit).
Kilobyte : One Kilobyte is 103 or 1000 Bytes. The unit symbol for Kilobyte is kB. Kilobyte is not same as Kibibyte (KiB) that contains 1024 bytes. 1000 Kilobytes = 1 Megabyte (MB).
Kibibyte : One Kibibyte is 210 or 1024 Bytes. The unit symbol for Kibibyte is KiB. Kibibyte is not same as Kilobyte (KB) that contains 1000 bytes. 1024 Kibibyte = 1 Mebibyte (MiB).
Megabit : One Megabit is equal to 106 or 10002 Bits. 1 Megabit = 1000 Kilobits. The unit symbol for Megabit is Mbit or Mb. Megabit is not same as Mebibit (Mib) that contains 10242 bits. 1000 Megabits = 1 Gigabit (Gbit).
Mebibit : One Mebibit is equal to 220 or 10242 Bits. 1 Mebibit = 1024 Kibibits. The unit symbol for Mebibit is Mibit. Mebibit is not same as Megabit (Mb) that contains 10002 bits. 1024 Mebibits = 1 Gibibit (Gibit).
Megabyte : One Megabyte is equal to 106 or 10002 Bytes. 1 Megabyte = 1000 Kilobytes. The unit symbol for Megabyte is MB. Megabyte is not same as Mebibyte (MiB) that contains 10242 bytes. 1000 Megabytes = 1 Gigabyte (GB).
Mebibyte : One Mebibyte is equal to 220 or 10242 Bytes. 1 Mebibyte = 1024 Kibibytes. The unit symbol for Mebibyte is MiB. Mebibyte is not same as Megabyte (MB) that contains 10002 bytes. 1024 Mebibytes = 1 Gibibyte (GiB).
Gigabit : One Gigabit is equal to 109 or 10003 Bits. 1 Gigabit = 1000 Megabits. The unit symbol for Gigabit is Gbit or Gb. Gigabit is not same as Gibibit (Gib) that contains 10243 bits. 1000 Gigabits = 1 Terabit (Tbit).
Gibibit : One Gibibit is equal to 230 or 10243 Bits. 1 Gibibit = 1024 Mebibits. The unit symbol for Gibibit is Gibit. Gibibit is not same as Gigabit (Gb) that contains 10003 bits. 1024 Gibibits = 1 Tebibit (Tibit).
Gigabyte : One Gigabyte is equal to 109 or 10003 Bytes. 1 Gigabyte = 1000 Megabytes. The unit symbol for Gigabyte is GB. Gigabyte is not same as Gibibyte (GiB) that contains 10243 bytes. 1000 Gigabytes = 1 Terabyte (TB).
Gibibyte : One Gibibyte is equal to 230 or 10243 Bytes. 1 Gibibyte = 1024 Mebibytes. The unit symbol for Gibibyte is GiB. Gibibyte is not same as Gigabyte (GB) that contains 10003 bytes. 1024 Gibibytes = 1 Tebibyte (TiB).
Terabit : One Terabit is equal to 1012 or 10004 Bits. 1000 Gigabits = 1 Terabit. The unit symbol for Terabit is Tbit or Tb. Terabit is not same as Tebibit (Tib) that contains 10244 bits. 1000 Terabit = 1 Petabit (Pbit).
Tebibit : One Tebibit is equal to 240 or 10244 Bits. 1 Tebibit = 1024 Gibibits. The unit symbol for Tebibit is Tibit. Tebibit is not same as Terabit (Tb) that contains 10004 bits. 1024 Tebibits = 1 Pebibit (Pibit).
Terabyte : One Terabyte is equal to 1012 or 10004 Bytes. 1 Terabyte = 1000 Gigabytes. The unit symbol for Terabyte is TB. Terabyte is not same as Tebibyte (TiB) that contains 10244 bytes. 1000 Terabytes = 1 Petabyte (PB).
Tebibyte : One Tebibyte is equal to 240 or 10244 Bytes. 1 Tebibyte = 1024 Gibibytes. The unit symbol for Tebibyte is TiB. Tebibyte is not same as Terabyte (TB) that contains 10004 bytes. 1024 Tebibytes = 1 Pebibyte (PiB).
Petabit : One Petabit is equal to 1015 or 10005 Bits. 1 Petabit = 1000 Terabits. The unit symbol for Petabit is Pbit. Petabit is not same as Pebibit (Pib) that contains 10245 bits. 1000 Petabits = 1 Exabit (Ebit).
Pebibit : One Pebibit is equal to 250 or 10245 Bits. 1 Pebibit = 1024 Tebibits. The unit symbol for Pebibit is Pibit. Pebibit is not same as Petabit (Pb) that contains 10005 bits. 1024 Pebibits = 1 Exbibit (Eibit).
Petabyte : One Petabyte is equal to 1015 or 10005 Bytes. 1 Petabyte = 1000 Terabytes. The unit symbol for Petabyte is PB. Petabyte is not same as Pebibyte (PiB) that contains 10245 bytes. 1000 Petabytes = 1 Exabyte (EB).
Pebibyte : One Pebibyte is equal to or 10245 Bytes. 1 Pebibyte = 1024 Tebibytes. The unit symbol for Pebibyte is PiB. Pebibyte is not same as Petabyte (PB) that contains 10005 bytes. 1024 Pebibytes = 1 Exbibyte (EiB).
Exabit : One Exabit is equal to 1018 or 10006 Bits. 1 Exabit = 1000 Petabits. The unit symbol for Exabit is Ebit. Exabit is not same as Exbibit (Eib) that contains 10246 bits. 1000 Exabits = 1 Zettabit (Zbit).
Exbibit : One Exbibit is equal to 260 or 10246 Bits. 1 Exbibit = 1024 Pebibits. The unit symbol for Exbibit is Eibit. Exbibit is not same as Exabit (Eb) that contains 10006 bits. 1024 Exbibits = 1 Zebibit (Zibit).
Exabyte : One Exabyte is equal to 1018 or 10006 Bytes. 1 Exabyte = 1000 Petabytes. The unit symbol for Exabyte is EB. Exabyte is not same as Exbibyte (EiB) that contains 10246 bytes. 1000 Exabytes = 1 Zettabyte (ZB).
Exbibyte : One Exbibyte is equal to 260 or 10246 Bytes. 1 Exbibyte = 1024 Pebibytes. The unit symbol for Exbibyte is EiB. Exbibyte is not same as Exabyte (EB) that contains 10006 bytes. 1024 Exbibytes = 1 Zebibyte (ZiB).
Zettabit : One Zettabit is equal to 1021 or 10007 Bits. 1 Zettabit = 1000 Exabits. The unit symbol for Zettabit is Zbit. Zettabit is not same as Zebibit (Zib) that contains 10247 bits. 1000 Zettabits = 1 Yottabit (Tbit).
Zebibit : One Zebibit equal to 270 or 10247 Bits. 1 Zebibit = 1024 Exbibits. The unit symbol for Zebibit is Zibit. Zebibit is not same as Zetabit (Zb) that contains 10007 bits. 1024 Zebibits forms a Yobibit (Yibit).
Zettabyte : One Zettabyte is equal to 1021 or 10007 Bytes. 1 Zettabyte = 1000 Exabytes. The unit symbol for Zettabyte is ZB. Zettabyte is not same as Zebibyte (ZiB) that contains 10247 bytes. 1000 Zettabytes forms a Yottabyte (YB).
Zebibyte : One Zebibyte equal to 270 or 10247 Bytes. 1 Zebibyte = 1024 Exbibytes. The unit symbol for Zebibyte is ZiB. Zebibyte is not same as Zettabyte (ZB) that contains 10007 bytes. 1024 Zebibytes forms a Yobibyte (YiB).
Yottabit : One Yottabit is equal to 1024 or 10008 Bits. 1 Yottabit = 1000 Zettabits. The unit symbol for Yottabit is Ybit. Yottabit is not same as Yobibit (Yib) that contains 10248 bits.
Yobibit : One Yobibit equal to 280 or 10248 Bits. 1 Yobibit = 1024 Zebibits. The unit symbol for Yobibit is Yibit. Yobibit is not same as Yottabit (Mb) that contains 10008 bits.
Yottabyte : One Yottabyte is equal to 1024 or 10008 Bytes. 1 Yottabyte = 1000 Zettabytes. The unit symbol for Yottabyte is YB. Yottabyte is not same as Yobibyte (ZiB) that contains 10248 bytes.
Yobibyte : One Yobibyte equal to 280 or 10248 Bytes. 1 Yobibyte = 1024 Zebibytes. The unit symbol for Yobibyte is YiB. Yobibyte is not same as Yottabyte (YB) that contains 10008 bytes.