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MB to GB Converter

Converters

Convert megabytes to gigabytes and vice versa.

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Your data never leaves your browser. We do not store inputs.

Quick answer

How do you convert megabytes to gigabytes?

Multiply the number of megabytes by 0.001 to get gigabytes. So 1 MB is 0.001 GB, 10 MB is 0.01 GB, and 1 GB is 1000 MB. Uses the decimal (SI) convention: 1 GB = 1,000 MB. Some operating systems report binary units (1 GiB = 1,024 MiB).

Megabytes to Gigabytes
MegabytesGigabytes
1 MB0.001 GB
5 MB0.005 GB
10 MB0.01 GB
25 MB0.025 GB
50 MB0.05 GB
100 MB0.1 GB
Formula:
Uses the decimal (SI) convention: 1 GB = 1,000 MB. Some operating systems report binary units (1 GiB = 1,024 MiB).
Assumptions:
Rounded to 6 decimal places. The conversion factor is a fixed definition, so the result is exact apart from rounding.

These figures are computed with the same formulas as the MB to GB Converter above. Change the inputs in the tool to see your own result.

What MB to GB Converter does

The MB to GB Converter converts megabytes to gigabytes and back, showing the result instantly as you type. It's free, runs entirely in your browser, and is useful for understanding file sizes, storage plans, and disk space limits.

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Reviewed by the FreeToolsVerse team · Last updated · How we check our tools

How to use MB to GB Converter

  1. Enter a value in megabytes to see the equivalent in gigabytes
  2. Or enter a value in gigabytes to see the equivalent in megabytes
  3. View the result instantly
  4. Copy the converted value

Who should use it

Made for everyone. Typical uses:

  • Figuring out how many megabyte-sized files fit on a gigabyte-labeled USB drive or cloud storage plan
  • Converting an older file size listed in MB into GB for comparison with a modern file
  • Checking whether a video file will fit within a gigabyte-based upload limit

Frequently asked questions

Is this based on 1000 or 1024?
It uses the widely used decimal convention (1 GB = 1000 MB) common in everyday file-size conversions, rather than the binary 1024-based GiB used internally by some operating systems.
Is it free to use?
Yes, completely free.
Is my data uploaded anywhere?
No, the conversion runs locally in your browser.
Is there a converter for KB to MB?
Yes, use the KB to MB converter for the step below.
Does it handle fractional GB values?
Yes, decimal values like 2.5 GB convert the same as whole numbers.

Learning resources

Explore more in Converters, read the guides and articles, or see how we test our tools.

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