GB to MB Converter

Convert gigabytes to megabytes instantly using our digital conversion calculator.

GB to MB Math Converter

1024 MB

Calculation base: 1 GB = 1024 MB (Binary system).

Convert Gigabytes to Megabytes Math & Storage Calculation

Convert Gigabytes (GB) to Megabytes (MB) using standard 1 GB = 1,024 MB calculation. Useful for understanding storage limits, file transfer sizes, or host quotas. If you're trying to compress an actual photo or document file to a specific MB or KB target, use our Compress Image tool.

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Frequently Asked Questions

How many MB are in 1 GB?

Exactly 1,024 MB in binary system (used by OSs), or 1,000 MB in decimal system (used by storage manufacturers).

Can this tool convert an actual file?

This calculator converts numbers. To shrink a real file to a target size in MB or KB, use our Compress Image tool.