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Data & storage

Just how much data is 1 zettabyte?

Global scale

1 ZB

Scale

BYTES OF DATA

1 zettabyte

Decimal kB, MB and GB use powers of 1,000.

1 ZBData
0
A zettabyte of data

A zettabyte of data is a term used to describe an immense quantity of digital information, often in the context of global data generation or storage.

1 ZBData
0
Bar length represents bytes. The physical sizes of devices are schematic; encoding and compression affect file sizes.

A little perspective

1 zettabyte is approximately equal to the data size of a zettabyte of data.

Measurements, assumptions & sources +

1 zettabyte

Data: 1 ZB; definition.

Decimal kB, MB and GB use powers of 1,000. KiB, MiB and GiB use powers of 1,024. The content of a file depends on encoding and compression.

NIST — SI conversion factors

A zettabyte of data

Data: 1 ZB; example.

A defined 1 ZB decimal amount. Data generated, transferred and stored are different quantities.

Defined examples — our methodology

The marked data is calibrated. Unmeasured illustration details are representative.

Measurement details

Why these numbers?

Compare 1 zettabyte with the data size of a zettabyte of data. The notes below explain how each value was chosen.

1 zettabyte

1 ZB

Data · definition

Decimal kB, MB and GB use powers of 1,000. KiB, MiB and GiB use powers of 1,024. The content of a file depends on encoding and compression.

A zettabyte of data

1 ZB

Data · example

A defined 1 ZB decimal amount. Data generated, transferred and stored are different quantities.

Comparing
Data ↔ Data
Relative size
1 zettabyte is approximately equal to the data size of a zettabyte of data.

How to read the visual

The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.

  • The data size of a zettabyte of data: This is an illustrative comparison value, not a claim that every example is the same.

Data size depends on encoding and compression; decimal GB and binary GiB are different units.

1 × 10²¹ Bbytes
1 × 10¹² GBgigabytes
9.3132 × 10¹¹ GiBgibibytes
1 × 10⁹ TBterabytes

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