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Megabytes to Gigabytes Converter.

Convert decimal megabytes to gigabytes using 1 GB = 1,000 MB.

On-device calculationNo signup
01

Set your values

Results update as you type.

Result: 0.001

Result

0.0010000000

Uses decimal SI storage prefixes: 1 GB = 1,000 MB. Binary MiB and GiB are separate units.

FAQs

How does the megabytes to gigabytes converter work?

Enter a value and the calculator applies the documented unit factor or text transformation.

Cite this calculator

Canonical URL: https://mathify.one/fr/conversion/mb-to-gb-converter

Cite as: Mathify. (2026). Calculatrice: Megabytes to Gigabytes Converter. https://mathify.one/fr/conversion/mb-to-gb-converter

Use Cases

Estimate storage capacity

Quickly convert file sizes or storage capacities between MB and GB to understand how much data you can store.

Example: A 5,000 MB video file is equal to 5 GB.

Compare data plans

Convert data allowances from MB to GB to compare mobile or internet plans that use different units.

Example: A 2,000 MB plan is the same as 2 GB.

Frequently Asked Questions

How many megabytes are in a gigabyte?
In the decimal system, 1 gigabyte (GB) equals 1,000 megabytes (MB). This converter uses that standard, which is common for storage devices like hard drives and SSDs.
Can I convert gigabytes to megabytes with this tool?
Yes, you can select 'gb' as the 'Convert from' unit and 'mb' as the 'Convert to' unit. The converter will then calculate the equivalent megabytes.
Is this converter using decimal or binary units?
It uses decimal units, where 1 GB = 1,000 MB. This is different from binary (1 GiB = 1,024 MiB), which is sometimes used in computing.

Tips & Common Mistakes

Tips

  • Remember that this converter uses the decimal system (1 GB = 1,000 MB), which is common for storage devices.
  • If you need binary conversion (1 GiB = 1,024 MiB), look for a separate tool that uses that standard.
  • Double-check your input values to avoid errors, especially when dealing with large numbers.

Common Mistakes to Avoid

  • Assuming 1 GB equals 1,024 MB, which is the binary standard, not the decimal one used here.
  • Forgetting to select the correct 'Convert from' and 'Convert to' units, leading to reversed results.
  • Misplacing decimal points when entering large numbers, which can drastically change the result.

Last updated: August 13, 2026