Definitions for petabyteˈpɛt əˌbaɪt

This page provides all possible meanings and translations of the word petabyte

Princeton's WordNet

  1. petabyte, PB(noun)

    a unit of information equal to 1000 terabytes or 10^15 bytes

  2. petabyte, pebibyte, PB, PiB(noun)

    a unit of information equal to 1024 tebibytes or 2^50 bytes


  1. petabyte(Noun)

    One quadrillion (1,000,000,000,000,000) bytes. SI symbol: PB.

  2. petabyte(Noun)

    1,125,899,906,842,624 bytes or 1024, or 2. This capacity may be expressed unambiguously as a pebibyte. SI symbol: PiB, computing symbol: PB.


  1. Petabyte

    The petabyte is a multiple of the unit byte for digital information. The prefix peta indicates the fifth power of 1000 and means 1015 in the International System of Units, and therefore 1 petabyte is one quadrillion bytes, or 1 billiard bytes. The unit symbol for the petabyte is PB. 1 PB = 1000000000000000B = 1015bytes = 1000terabytes. A related unit, the pebibyte, using a binary prefix, means 10245bytes, which is more than 12% greater than 10005bytes.

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