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Gigabytes to Megabytes converter

Convert GB to MB instantly. Type any value and get the result in megabytes. 1 GB = 1,024 MB.

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Data›GB → MB
From
To
result below ↓
1 GB=
1,024MB
formula1 GB = 1,024 MB

Common gigabytes → megabytes

=1,024 MB
=2,048 MB
=5,120 MB
=10,240 MB
=20,480 MB
=51,200 MB
=102,400 MB
=512,000 MB
=1,024,000 MB

Need a different value? .

Convert the other way
Megabytes to Gigabytes

How to convert gigabytes to megabytes

To convert gigabytes to megabytes, multiply the value by 1,024.

Formula
MB = GB × 1,024

For example:

  • →5 GB = 5,120 MB
  • →100 GB = 102,400 MB

Quick reference

  • ▸1 GB = 1,024 MB
  • ▸1 MB = 0.000976563 GB

When you need to convert GB to MB

  • ·Storage planning — what fits on a drive or cloud account.
  • ·Downloads — estimating transfer times.
  • ·Mobile data plans — comparing GB allowances.
  • ·Video production — file sizes for different resolutions.
  • ·Backups — sizing archive media.

Frequently asked

How many megabytes are in 1 gigabyte?
One gigabyte equals 1,024 megabytes.
How do I convert GB to MB in my head?
Multiply the value in gigabytes by 1,024 to get megabytes.
What is the formula for gigabytes to megabytes?
MB = GB × 1,024.
What is the reverse — how many gigabytes in 1 megabyte?
One megabyte equals 0.000976563 gigabytes.

Related conversions

Megabytes to Gigabytes
1 MB = 0.000976563 GB
Gigabytes to Bits
1 GB = 8.59B bit
Gigabytes to Bytes
1 GB = 1.074B B
Gigabytes to Kilobytes
1 GB = 1,048,580 KB
Bits to Megabytes
1 bit = 1.1921e-7 MB
Bytes to Megabytes
1 B = 9.5367e-7 MB
Kilobytes to Megabytes
1 KB = 0.000976563 MB
Terabytes to Megabytes
1 TB = 1,048,580 MB
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