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Home› Data› Gigabytes to Megabytes

Gigabytes to Megabytes Converter

Convert gigabytes (GB) to megabytes (MB) instantly — type a value below.

1 gigabyte (GB) = 1,024 megabytes (MB)
1 megabyte (MB) = 0.0009765625 gigabytes (GB)
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How to convert gigabytes to megabytes

To convert gigabytes to megabytes, use this formula:

MB = GB × 1,024 (or divide by 0.0009765625)

Examples

Gigabytes to Megabytes conversion chart

Gigabytes (GB)Megabytes (MB)
0.1 GB102.4 MB
0.25 GB256 MB
0.5 GB512 MB
1 GB1,024 MB
2 GB2,048 MB
3 GB3,072 MB
4 GB4,096 MB
5 GB5,120 MB
6 GB6,144 MB
7 GB7,168 MB
8 GB8,192 MB
9 GB9,216 MB
10 GB10,240 MB
12 GB12,288 MB
15 GB15,360 MB
20 GB20,480 MB
25 GB25,600 MB
30 GB30,720 MB
40 GB40,960 MB
50 GB51,200 MB
60 GB61,440 MB
70 GB71,680 MB
75 GB76,800 MB
80 GB81,920 MB
90 GB92,160 MB
100 GB102,400 MB
150 GB153,600 MB
200 GB204,800 MB
250 GB256,000 MB
500 GB512,000 MB
1,000 GB1,024,000 MB

About the units

Gigabyte (GB)

In this converter a gigabyte is 1,024 megabytes (binary, also written GiB). Drive makers and macOS use 1 GB = 1,000 MB, which is why a "500 GB" drive shows about 465 GB in Windows.

Megabyte (MB)

In this converter a megabyte is 1,024 kilobytes = 1,048,576 bytes (binary, also written MiB), the convention used by Windows. Storage makers often use 1 MB = 1,000,000 bytes.

Frequently asked questions

How do I convert gigabytes to megabytes?
Multiply the number of gigabytes by 1,024. For example, 5 GB = 5,120 MB.
How many megabytes are in one gigabyte?
One gigabyte equals 1,024 megabytes.
What is 12 GB in megabytes?
12 gigabytes equals 12,288 megabytes.
How do I convert megabytes back to gigabytes?
Use the reverse Megabytes to Gigabytes converter: multiply megabytes by 0.0009765625.

Need other units? Use the full data converter.

Related data conversions

MB → GBKB → MBMB → KBGB → TBTB → GBbit → BB → bit