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Data & storage

Just how much data is 3 megabytes?

Media

3 MB

Scale

BYTES OF DATA

3 megabytes

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

3 MBData
0
Compressed photo

A compressed photo is a digital image file that has been processed to reduce the amount of data needed to store or transmit it.

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

A little perspective

3 megabytes is approximately equal to the data size of a compressed photo.

Measurements, assumptions & sources +

3 megabytes

Data: 3 MB; 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

Compressed photo

Data: 3 MB; example.

A chosen 3 MB compressed photograph. Resolution, quality and format are not fixed by file size.

Defined examples — our methodology

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

Measurement details

Why these numbers?

Compare 3 megabytes with the data size of a compressed photo. The notes below explain how each value was chosen.

3 megabytes

3 MB

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.

Compressed photo

3 MB

Data · example

A chosen 3 MB compressed photograph. Resolution, quality and format are not fixed by file size.

Comparing
Data ↔ Data
Relative size
3 megabytes is approximately equal to the data size of a compressed photo.

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 compressed photo: 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.

3,000,000 Bbytes
0.003 GBgigabytes
0.002794 GiBgibibytes
3 × 10⁻⁶ TBterabytes

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