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Gigabytes to Megabytes Converter

1 GB = 1000 MB

1 gigabyte equals 1000 megabytes. To convert gigabytes to megabytes, multiply the gigabyte value by 1000. For quick reference: 1 GB = 1000 MB, 5 GB = 5000 MB, 10 GB = 10000 MB, 100 GB = 100000 MB.

1000
FormulaMegabytes = Gigabytes × 1000
Quick

How to convert gigabytes to megabytes

  1. Take your value

    Start with your value in gigabytes.

  2. Multiply by 1000

    Multiply the gigabyte value by 1000. This is the exact conversion factor from gigabytes to megabytes.

  3. Read the result

    The product is your value in megabytes. For example, 5 GB × 1000 = 5000 MB.

Conversion formula

The exact factor from gigabytes to megabytes is 1000.

Megabytes = Gigabytes × 1000

Gigabytes to Megabytes conversion table

Fifty common reference values, hand-picked for skim utility. Use the calculator above for any value not listed.

Conversion table from gigabytes to megabytes
Gigabytes (GB)Megabytes (MB)
1 GB1000 MB
8 GB8000 MB
16 GB16000 MB
64 GB64000 MB
100 GB100000 MB
256 GB256000 MB
500 GB500000 MB
512 GB512000 MB
1000 GB1000000 MB
1024 GB1024000 MB
2000 GB2000000 MB
2048 GB2048000 MB
4096 GB4096000 MB
5000 GB5000000 MB
8192 GB8192000 MB
10000 GB10000000 MB
16384 GB16384000 MB
25000 GB25000000 MB
32768 GB32768000 MB
50000 GB50000000 MB
65536 GB65536000 MB
100000 GB100000000 MB
131072 GB131072000 MB
250000 GB250000000 MB
500000 GB500000000 MB
524288 GB524288000 MB
1000000 GB1000000000 MB
1048576 GB1048576000 MB
2000000 GB2000000000 MB
5000000 GB5000000000 MB
10000000 GB10000000000 MB
50000000 GB50000000000 MB
100000000 GB100000000000 MB
500000000 GB500000000000 MB
1000000000 GB1000000000000 MB
2000000000 GB2000000000000 MB
5000000000 GB5000000000000 MB
10000000000 GB10000000000000 MB
50000000000 GB50000000000000 MB
100000000000 GB100000000000000 MB
500000000000 GB500000000000000 MB
1000000000000 GB1.0000 × 10^15 MB
2000000000000 GB2.0000 × 10^15 MB
5000000000000 GB5.0000 × 10^15 MB
10000000000000 GB1.0000 × 10^16 MB
100000000000000 GB1.0000 × 10^17 MB
1000000000000000 GB1.0000 × 10^18 MB
10000000000000000 GB1.0000 × 10^19 MB
100000000000000000 GB1.0000 × 10^20 MB
1000000000000000000 GB1.0000 × 10^21 MB

Real-world reference

A standard-definition movie is around 1–2 GB. Phones and laptops typically ship with 128 GB to 2 TB of storage. In megabytes, that gives you: 1 GB = 1000 MB, 10 GB = 10000 MB, 100 GB = 100000 MB.

Frequently asked questions

How many megabytes are in 1 gigabyte?
1 gigabyte equals 1000 megabytes.
How do I convert gigabytes to megabytes?
Multiply the gigabyte value by 1000. So x GB × 1000 = the equivalent in MB.
What is 5 gigabytes in megabytes?
5 gigabytes equals 5000 megabytes.
What is 10 gigabytes in megabytes?
10 gigabytes equals 10000 megabytes.
What is 100 gigabytes in megabytes?
100 gigabytes equals 100000 megabytes.
How do I convert back from megabytes to gigabytes?
Multiply the megabyte value by 0.001. For example, 1 MB = 0.001 GB.
Is the gigabyte bigger than the megabyte?
Yes. 1 gigabyte is larger than 1 megabyte — specifically 1000 times larger.
Are these conversion factors exact?
Yes. The factor of 1000 is derived directly from the SI definitions of gigabyte and megabyte.

About the gigabyte and the megabyte

The gigabyte

The gigabyte (GB) equals 1,000,000,000 bytes. The difference between GB (decimal) and GiB (binary, 1,073,741,824 B) is the reason a '1 TB' drive shows as ~931 GB in Windows.

The megabyte

The megabyte (MB) equals 1,000,000 bytes (decimal) or 1,048,576 bytes (binary, formally 'mebibyte' MiB — a roughly 5% difference). Used for music files, photographs, and most everyday document sizes.

Related converters

Megabytes to Gigabytes
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Bits to Bytes
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bit → kB
Bits to Megabytes
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Bits to Gigabytes
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Bits to Terabytes
bit → TB

Sources