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Gibibytes to Gigabytes (GiB to GB)

Convert gibibytes to gigabytes: 1 GiB = 1.07374 GB. Exact conversion factor, formula, 18-row table and worked examples, with JSON API and MCP access.

Formula

1 GiB = 1.07374 GB

gigabytes = gibibytes × 1.073741824 — reverse: gibibytes = gigabytes × 0.9313225746

The factor is derived from the SI definitions of both units (base unit: B) as listed in NIST SP 811; results on this page are shown to 6 significant figures, the API returns up to 12.

Worked examples

Gibibytes to gigabytes conversion table

Gibibytes (GiB)Gigabytes (GB)
11.07374
22.14748
44.29497
88.58993
1617.1799
3234.3597
6468.7195
100107.374
128137.439
256274.878
500536.871
512549.756
10001073.74
10241099.51
20482199.02
40964398.05
81928796.09
1000010737.4

FAQ

How many gigabytes are in one gibibyte?

1 GiB = 1.07374 GB. The factor comes from the SI definitions of both units (NIST SP 811 / BIPM), so it is exact or correct to at least 10 significant figures.

What is the formula to convert gibibytes to gigabytes?

Multiply the value in gibibytes by 1.073741824: gigabytes = gibibytes × 1.073741824. For example, 1.5 GiB = 1.61061 GB.

How do I convert gigabytes back to gibibytes?

Multiply by the inverse factor 0.9313225746 (gibibytes = gigabytes × 0.9313225746), or use the gigabytes-to-gibibytes page.

Related conversions

Machine access

Sources