GB to MB Converter

Data Storage tool

GB to MB Converter

Convert GB to MB for file sizes, storage plans, memory cards, and download estimates.

Quick answer

decimal MB = GB x 1000. binary MiB = GiB x 1024.

Formula: MB = GB x 1000. MiB = GiB x 1024.

GB to MB Converter

Results are calculated in your browser. For image, AI, and cooking tools, assumptions can affect the final result.

Formula and examples

MB = GB x 1000. MiB = GiB x 1024.

ExampleWhat it means
1 GB = 1000 MB decimal.Practical reference value
1 GiB = 1024 MiB binary.Practical reference value
5 GB = 5000 MB decimal.Practical reference value

Common mistakes

  • GB and GiB are not exactly the same.
  • Storage packaging commonly uses decimal values.
  • For internet speed, use bits per second rather than bytes if the unit is Mbps.

FAQ

How many MB are in 1 GB?

Decimal storage uses 1000 MB in 1 GB.

How many MB are in 5 GB?

5 GB equals 5000 MB in decimal storage.

Why do computers show a different number?

Operating systems may use binary units while labels use decimal units.

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Last updated

Last updated on June 8, 2026. This page is designed as a practical calculator and reference. Always verify official requirements for passport, print submission, billing, or professional production work.