How many zettabyte in 1 kilobyte?
The answer is 1.024E-18.

We assume you are converting between **zettabyte** and **kilobyte**.

You can view more details on each measurement unit:

zettabyte or
kilobyte

The main non-SI unit for **computer data storage** is the byte.

1 byte is equal to 1.0E-21 zettabyte, or 0.0009765625 kilobyte.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between zettabytes and kilobytes.

Type in your own numbers in the form to convert the units!

The SI prefix "zetta" represents a factor of
10^{21}, or in exponential notation, 1E21.

So 1 zettabyte = 10^{21} bytes.

The definition of a byte is as follows:

A byte is the basic unit of measurement of information storage in computer science. In many computer architectures it is a unit of memory addressing, consisting of 8 bits.

Since computer memory comes in base two rather than 10, a large portion of the software and computer industry use binary estimates of the SI-prefixed quantities, while producers of computer storage devices prefer the SI values. This is why a computer hard drive advertised with a "100 GB" decimal storage capacity actually contains no more than 93 GB of 8-bit (power of 2) addressable storage.

A kilobyte is a unit of information or computer storage equal to 1024 bytes, assuming a binary system. This is not a standard SI definition, which would use kibibyte to represent 1024 bytes. However, most people have requested the more common usage, so the non-SI version is used on this site.

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