Data & Storage

Gibibytes to Mebibytes

Convert gibibytes to mebibytes instantly. 1 GiB = 1,024 MiB. Includes the exact factor, a conversion table of common values and the definition of both units.

GiB
Mebibytes
—
One step, one exact factorGibibyteswhat you have× 1,024Mebibyteswhat you getBoth units are defined against the same base unit, so the factor is exact — never an approximation.

How to convert gibibytes to mebibytes

To convert gibibytes to mebibytes, multiply by 1,024. The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.

MiB = GiB × 1,024

Gibibytes to Mebibytes conversion table

The values people look up most often, rounded for reading. Use the calculator above for anything in between.

GibibytesMebibytes
1 GiB1,024 MiB
2 GiB2,048 MiB
3 GiB3,072 MiB
5 GiB5,120 MiB
10 GiB10,240 MiB
20 GiB20,480 MiB
25 GiB25,600 MiB
50 GiB51,200 MiB
100 GiB102,400 MiB
500 GiB512,000 MiB
1,000 GiB1,024,000 MiB

What is a gibibyte?

1,024 mebibytes. This is why a 1 TB drive shows as 931 GB.

What is a mebibyte?

1,024 kibibytes, which is why a '1 MB' file shows as 0.95 MiB.

The formula

MiB = GiB × 1,024

Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.

How to use the Gibibytes to Mebibytes

  1. Type the number of gibibytes you want to convert.
  2. Read the result in mebibytes straight away — there is no button to press.
  3. Check the table below for the values that come up most often, or reverse the conversion with the linked mebibytes to gibibytes page.

Gibibytes to Mebibytes — frequently asked questions

How many mebibytes are in a gibibyte?

One gibibyte equals 1,024 MiB. MiB = GiB × 1,024

What is the formula to convert gibibytes to mebibytes?

The formula is MiB = GiB × 1,024. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.

How do I convert mebibytes back to gibibytes?

Divide instead of multiplying: one mebibyte is 0.0009765625 GiB. The reverse converter is linked in the related tools list.

Is this conversion exact?

Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.

Is this gibibytes to mebibytes free to use?

Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.

What people search for

This page answers each of these searches. They are the exact phrases visitors use to find the gibibytes to mebibytes.

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About this calculator

Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.

Last reviewed August 19, 2026 · Calculation runs client-side · No data collected · Report an error