Gibibytes to Gigabytes Converter

Type a value in gibibytes to see it in gigabytes. It works both ways: type in the gigabytes box to convert back.

Formula

To convert gibibytes to gigabytes, multiply by 1.073741824.

1 GiB = 1.073741824 GB and 1 GB = 0.931322574615 GiB.

Gibibytes to gigabytes table

Gibibytes to gigabytes
GibibytesGigabytes
1 GiB1.073742 GB
4 GiB4.294967 GB
8 GiB8.589935 GB
16 GiB17.17987 GB
32 GiB34.35974 GB
64 GiB68.71948 GB
128 GiB137.439 GB
256 GiB274.8779 GB
512 GiB549.7558 GB
1,024 GiB1,099.512 GB

Worked examples

4 GiB in gigabytes

4 GiB

4.294967 GB

4 × 1.073741824 = 4.294967296

64 GiB in gigabytes

64 GiB

68.71948 GB

64 × 1.073741824 = 68.71947674

512 GiB in gigabytes

512 GiB

549.7558 GB

512 × 1.073741824 = 549.7558139

About Gibibytes to Gigabytes Converter

This converter turns gibibytes into gigabytes as you type, and works the other way too: type in the gigabytes box to convert back. To convert gibibytes to gigabytes, multiply by 1.073741824. For example, 4 GiB is 4.294967 GB, and 64 GiB is 68.71948 GB.

Data sizes come in decimal units (1 GB = 1,000 MB) used by storage makers, and binary units (1 GiB = 1,024 MiB) used by many operating systems. This page says which it uses. Both units have exact definitions, so the converter gives an exact result, rounded only for display. Use the table below for common values, or set the decimal places to round the answer for a form or a label.

How to use Gibibytes to Gigabytes Converter

  1. Type the amount in gibibytes in the first box.
  2. Read the answer in gigabytes in the second box and in the result line below.
  3. To convert the other way, type in the gigabytes box instead, or use the swap button to open the gigabytes to gibibytes page.
  4. Choose a number of decimal places if you need a rounded figure, then copy the result line.

Common uses

  • Understanding why a new drive shows less space than advertised
  • Working out mobile data or cloud storage needs
  • Converting download speeds into transfer times
  • Checking whether files will fit on a drive or a memory card

Frequently asked questions

How many gigabytes are in one gibibyte?

There are 1.073741824 gigabytes in one gibibyte. This figure is exact, because both units have fixed definitions.

How do I convert gibibytes to gigabytes?

To convert gibibytes to gigabytes, multiply by 1.073741824. For example, 512 GiB is 549.7558 GB.

How do I convert gigabytes to gibibytes?

Going the other way, divide by 1.073741824 (the same as multiplying by 0.9313225746). The gigabytes to gibibytes converter does this for you.

What is 128 GiB in gigabytes?

128 GiB is 137.439 GB.

Which unit does my phone or computer use?

Storage makers and most phones use decimal gigabytes. Windows uses binary units but labels them GB. macOS has used decimal units since 2009, so it matches the number on the box.