MB to GB converter

1 GB = 1000 MB (SI decimal); 1 MB = 0.001 GB. In binary, 1 GiB = 1024 MiB. To convert MB to GB, divide by 1000.

Conversion formula

GB = MB / 1000

Conversion table

1 MB0.001 GB
2 MB0.002 GB
3 MB0.003 GB
4 MB0.004 GB
5 MB0.005 GB
6 MB0.006 GB
7 MB0.007 GB
8 MB0.008 GB
9 MB0.009 GB
10 MB0.01 GB
15 MB0.015 GB
20 MB0.02 GB
25 MB0.025 GB
50 MB0.05 GB
100 MB0.1 GB
1000 MB1 GB

Reverse conversion table

1 GB1000 MB
2 GB2000 MB
3 GB3000 MB
4 GB4000 MB
5 GB5000 MB
6 GB6000 MB
7 GB7000 MB
8 GB8000 MB
9 GB9000 MB
10 GB10000 MB
15 GB15000 MB
20 GB20000 MB
25 GB25000 MB
50 GB50000 MB
100 GB100000 MB
1000 GB1000000 MB

Key facts

1 GB (SI decimal)1000 MB
1 GiB (IEC binary)1024 MiB
1 MB0.001 GB = 8,000,000 bits
FormulaGB = MB / 1000

Frequently asked questions

How many MB is 1 GB?

1 GB equals 1000 MB using SI decimal units. In binary, 1 GiB equals 1024 MiB.

Why does my drive show fewer GB?

Drives are sold in decimal GB (1000 MB), but OSes often count in binary GiB (1024 MiB), so capacity looks smaller.

Reverse conversion

Printable A4 conversion cheat sheet — see the Downloads page

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