What is the difference between GB and GiB?

GB (gigabyte) uses powers of 10: 1 GB = 1,000,000,000 bytes. GiB (gibibyte) uses powers of 2: 1 GiB = 1,073,741,824 bytes. Hard drive makers use GB; operating systems often show GiB.

How many megabytes in a gigabyte?

1 GB = 1,000 MB (decimal). In binary, 1 GiB = 1,024 MiB.

1 terabyte = 1,000 gigabytes (decimal), or 1 TiB = 1,024 GiB (binary).

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