MB to GB Converter
Convert megabytes to gigabytes for digital storage, files, and device capacity.
How It Works
Formula: MB to GB = value ÷ 1024
Example: 1000 MB = 0.976563 GB
Note: 1 gigabyte equals 1024 megabytes in the binary standard used by operating systems.
Common Uses
Rounding Rule
Rounded to 4 decimal places
Error Margin
±0.0001 GB
Precision Guidance
For file sizes, round to 2 decimals. For device capacity, keep 3-4 decimals.
Common Mistakes
Operating systems use binary (1024), while drive labels use decimal (1000). A 500 GB drive shows about 465 GiB in Windows.
Frequently Asked Questions
What is 1000 MB in GB?
1000 MB equals 0.9766 GB using the binary standard (1 GB = 1024 MB).
How do I convert MB to GB?
Divide the megabyte value by 1024. For example, 2048 MB ÷ 1024 = 2 GB.
Why does 1000 MB not equal 1 GB?
Computers use binary units (1024), so 1 GB is 1024 MB. Drive makers use decimal (1000), which is why a labeled 1 TB drive shows less in Windows.
Is this binary or decimal?
This uses the binary standard (1 GB = 1024 MB) used by operating systems.
Deep Dive Guide
MB to GB Conversion Guide for US Digital Storage and File Sizes
Convert MB to GB accurately for US phone storage, cloud plans, and file sizes. Learn the 1024 binary standard used by Windows and RAM.
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Last Updated 2026 | This converter was reviewed for accuracy