Gibibytes to Gigabytes

1 gibibyte = 1.073741824 gigabytes. To convert gibibytes (GiB) to gigabytes (GB), multiply by 1.073741824.

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How to convert gibibytes to gigabytes

GB = GiB × 1.073741824

Example: convert 8 gibibytes to gigabytes.
8 GiB × 1.073741824 = 8.589934592 GB

The same relationship in reverse: 1 gigabyte = 0.9313225746 gibibytes, so you can also divide by 0.9313225746. Need the other direction? Use the gigabytes to gibibytes converter.

You will typically need this conversion for explaining why a new drive shows less space than advertised.

Gibibytes to Gigabytes conversion chart

Gibibytes (GiB)Gigabytes (GB)
1 GiB1.0737418 GB
2 GiB2.1474836 GB
3 GiB3.2212255 GB
4 GiB4.2949673 GB
5 GiB5.3687091 GB
6 GiB6.4424509 GB
7 GiB7.5161928 GB
8 GiB8.5899346 GB
9 GiB9.6636764 GB
10 GiB10.737418 GB
15 GiB16.106127 GB
20 GiB21.474836 GB
25 GiB26.843546 GB
30 GiB32.212255 GB
40 GiB42.949673 GB
50 GiB53.687091 GB
75 GiB80.530637 GB
100 GiB107.37418 GB
250 GiB268.43546 GB
500 GiB536.87091 GB
1,000 GiB1,073.7418 GB

Values rounded to 8 significant figures. The converter above shows up to 12.

About the units

Gibibyte (GiB)

1,073,741,824 bytes (1024³). What Windows labels as "GB", and how RAM is really sized.

Gigabyte (GB)

1,000,000,000 bytes (SI). Used for phone storage, RAM and mobile data plans.

Frequently asked questions

How many gigabytes are in a gibibyte?

1 gibibyte = 1.073741824 gigabytes. Going the other way, 1 gigabyte = 0.9313225746 gibibytes.

How do I convert gibibytes to gigabytes?

To convert gibibytes to gigabytes, multiply by 1.073741824. The formula is GB = GiB × 1.073741824.

What is 8 GiB in GB?

8 gibibytes is 8.589934592 gigabytes (8 GiB × 1.073741824 = 8.589934592 GB).

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