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Convert MB to GB (Megabytes to Gigabytes)

Convert megabytes (MB) to gigabytes (GB) – and see the difference between decimal and binary units.

My tools →
Result –

Runs in your browser – your data never leaves your device Also available via our free API

Conversion table: Megabytes (MB) to Gigabytes (GB)

Megabytes (MB) Gigabytes (GB)
1 0.001
2 0.002
3 0.003
5 0.005
10 0.01
15 0.015
20 0.02
25 0.025
50 0.05
75 0.075
100 0.1
250 0.25
500 0.5
1,000 1

How to use the MB to GB

  1. 1 Choose a category, such as length or temperature.
  2. 2 Enter the value and pick the unit to convert from and to.
  3. 3 Read the result; use the ⇄ button to swap the units.

Formula

GB = MB ÷ 1,000

In the decimal (SI) system used by storage manufacturers, network providers and most software today, one gigabyte is 1,000 megabytes. A 500 MB video is therefore 0.5 GB.

1,000 or 1,024?

Computers count in powers of two, so some operating systems use binary units: 1 GiB (gibibyte) = 1,024 MiB (mebibytes). Windows still shows binary values with the label “GB”, which is why a file can look slightly smaller in Explorer than on a download page. Choose MiB and GiB in the converter if you need the binary values.

Typical sizes

  • A high-quality photo: 3–8 MB
  • A song in MP3 format: 3–10 MB
  • One hour of HD video streaming: around 3 GB

Frequently asked questions

How many MB are in 1 GB?

1,000 MB in decimal units, or 1,024 MiB in 1 GiB in binary units.

Is 1,500 MB more than 1 GB?

Yes, 1,500 MB is 1.5 GB.

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