MB to GB Converter
Convert megabytes (MB) to gigabytes (GB) instantly using the standard 1 GB = 1024 MB.
Convert megabytes to gigabytes instantly with this free online tool. Type a value in megabytes and see the equivalent in gigabytes right away, or type a gigabyte value to convert back. It uses the standard binary definition of 1 GB = 1024 MB, and everything runs in your browser — no sign-up and no waiting.
How to convert MB to GB
To convert megabytes to gigabytes, divide the number of megabytes by 1024, because one gigabyte equals 1024 megabytes in the binary convention used by most operating systems. For example, 2048 MB ÷ 1024 = 2 GB. This converter does the math for you and updates as you type.
- Enter the number of megabytes in the first field.
- Read the result in gigabytes in the second field.
- Type into the GB field to convert in the other direction.
Is a gigabyte 1024 or 1000 MB?
It depends on the convention. In the binary (IEC) convention used by Windows, Linux, and most software, 1 GB = 1024 MB (technically a gibibyte, GiB). In the decimal (SI) convention used by storage manufacturers and networking, 1 GB = 1000 MB. This tool uses 1024 MB per GB, which matches how file and drive sizes are reported on most computers.
Why use this MB to GB converter?
- 100% free with no ads, sign-up, or limits.
- Instant, two-way conversion as you type.
- Uses the standard 1 GB = 1024 MB.
- Runs entirely in your browser.
Frequently asked questions
How many MB are in a gigabyte?
In the binary convention used by most operating systems, 1 gigabyte (GB) equals 1024 megabytes. In the decimal convention used by some storage makers, 1 GB equals 1000 MB.
What is the formula to convert MB to GB?
Gigabytes = megabytes ÷ 1024. For example, 5120 MB ÷ 1024 = 5 GB.
How many GB is 2048 MB?
2048 MB equals exactly 2 GB when 1 GB is 1024 MB.