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Mebibyte (MiB)

1024² = 1,048,576 bytes (binary prefix).

What is a mebibyte?

Symbol
MiB
Quantity
Data Storage
Unit system
other
Definition
1024² = 1,048,576 bytes (binary prefix).
Exact
Yes, the value is exact by definition
Source
IEC 80000-13:2008, Quantities and units: Information science and technology

Common applications

Used for RAM, cache and file sizes in software that counts in powers of two, often labeled "MB".

Mebibyte in other data storage units

Mebibyte quick reference

Mebibyte in other units
MebibyteGigabyteGibibyteBit
1 MiB= 0.001048576 GB= 0.0009765625 GiB= 8388608 bit
10 MiB= 0.01048576 GB= 0.009765625 GiB= 83886080 bit
100 MiB= 0.1048576 GB= 0.09765625 GiB= 838860800 bit
1000 MiB= 1.048576 GB= 0.9765625 GiB= 8388608000 bit

Where the mebibyte fits

The next smaller data storage unit is the megabyte (MB). 1 MiB = 1.048576 MB, and 1 MB = 0.95367431640625 MiB.

The next larger data storage unit is the gigabit (Gbit). 1 MiB = 0.008388608 Gbit, and 1 Gbit = 119.20928955078125 MiB.

Frequently asked questions

How many gigabytes are in one mebibyte?
One mebibyte = 0.001048576 GB (gigabytes).
How many gibibytes are in one mebibyte?
One mebibyte = 0.0009765625 GiB (gibibytes).
How many bits are in one mebibyte?
One mebibyte = 8388608 bit (bits).