Megabit per second Megabit per second (symbol Mbit/s or Mb/s, often abbreviated "Mbps") is a unit of data transfer rate equal to: 1,000 kilobits per second 1,000,000 bits per second 125,000 bytes per second 125 kilobytes per second Gigabit per second Gigabit per second (symbol Gbit/s or Gb/s, often abbreviated "Gbps") is a unit of data transfer rate equal to: 1,000 megabits per second 1,000,000 kilobits per second 1,000,000,000 bits per second 125,000,000 bytes per second 125 megabytes per second Terabit per second Terabit per second (symbol Tbit/s or Tb/s, sometimes abbreviated "Tbps") is a unit of data transfer rate equal to: 1,000 gigabits per second 1,000,000 megabits per second 1,000,000,000 kilobits per second 1,000,000,000,000 bits per second 125,000,000,000 bytes per second 125 gigabytes per second Decimal multiples of bytes These units are often not used in the suggested ways; see above section titled "variations". Kilobyte per second kilobyte per second (kB/s) (can be abbreviated as kBps) is a unit of data transfer rate equal to: 8,000 bits per second 1,000 bytes per second 8 kilobits per second Megabyte per second megabyte per second (MB/s) (can be abbreviated as MBps) is a unit of data transfer rate equal to: 8,000,000 bits per second 1,000,000 bytes per second 1,000 kilobytes per second 8 megabits per second Gigabyte per second gigabyte per second (GB/s) (can be abbreviated as GBps) is a unit of data transfer rate equal to: 8,000,000,000 bits per second 1,000,000,000 bytes per second 1,000,000 kilobytes per second 1,000 megabytes per second 8 gigabits per second Terabyte per second terabyte per second (TB/s) (can be abbreviated as TBps) is a unit of data transfer rate equal to: 8,000,000,000,000 bits per second 1,000,000,000,000 bytes per second 1,000,000,000 kilobytes per second 1,000,000 megabytes per second 1,000 gigabytes per second 8 terabits per second Conversion table Examples of bit rates See also Binary prefix Bit rate List of interface bit rates Orders of magnitude (bit rate) Orders of magnitude (data) Metric prefix Instructions per second Notes References International Electrotechnical Commission (2007). "Prefixes for binary multiples" (archived). Retrieved on 2007-05-06. - updated page lacks table but now references IEC 80000-13:2008 rather than IEC 60027-2. IEC 60027-2 "Letter symbols to be used in electrical technology – Part 2: Telecommunications and electronics+ Donald Knuth: "What is a kilobyte?" External links Valid8 Data Rate Calculator Data transmission Units of flow Units of information Units of temporal rate