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January 28, 2011

How Much is a Yottabyte

The yottabyte (derived from the SI prefix yotta-) is a unit of information or computer storage equal to one septillion (one long scale quadrillion or 1024 bytes (one quadrillion gigabytes). The unit symbol for the yottabyte is YB.

As of 2011, no storage system has achieved one zettabyte of information. The combined space of all computer hard drives in the world does not amount to even one yottabyte, but was estimated at approximately 160 exabytes in 2006.As of 2009, the entire Internet was estimated to contain close to 500 exabytes

1 Bit = one binary digit (represented by a 0 or a 1).
1 Byte = 8 Bits (or one text character)
1 Kilobyte = 1,000 Bytes
1 Megabyte = 1,000 Kilobytes
1 Gigabyte = 1,000 Megabytes
1 Terabyte = 1,000 Gigabytes
1 Petabyte = 1,000 Terabytes
1 Exabyte = 1,000 Petabytes
1 Zettabyte = 1,000 Exabytes
1 Yottabyte = 1,000 Zettabytes (a 1 followed by 24 zeros -- 1,000,000,000,000,000,000,000,000)