Convert Gigabytes to Gibibytes

Convert Gigabytes (GB) to Gibibytes (GiB) instantly and accurately.

Gigabytes (GB)
Gibibytes (GiB)

Conversion Formula

GiB = GB × 0.9313225746

About Gigabytes

A gigabyte (GB) = 10⁹ bytes (SI). All consumer HDDs, SSDs, SD cards, USB drives, and smartphones advertise in GB. Media sizes: 4K Blu-ray 66-100 GB; 4K Netflix film 10-15 GB; modern AAA PC game 50-200 GB; Google Maps offline country data 5-30 GB. The IBM 350 RAMAC (1956) stored 0.00000375 GB; a Seagate Exos 20 TB holds 20,000 GB - 5.3-million-fold increase in 66 years. 1 GB = 10⁹ bytes = 1,000 MB.

About Gibibytes

A gibibyte (GiB) = 2³⁰ = 1,073,741,824 bytes (IEC 80000-13). The source of the 'storage discrepancy': a '500 GB' drive contains 500×10⁹ bytes ≈ 465.66 GiB as shown by Windows. RAM is manufactured in exact powers of 2: 4/8/16/32/64 GiB. GPU VRAM: RTX 4090 = 24 GiB; H100 = 80 GiB; MI300X = 192 GiB HBM3. Kubernetes memory limits use Gi suffixes. 1 GiB = 2³⁰ bytes = 1,024 MiB.

Quick Reference Table

Gigabytes (GB)Gibibytes (GiB)
1 GB0.931323 GiB
2 GB1.86265 GiB
5 GB4.65661 GiB
10 GB9.31323 GiB
25 GB23.2831 GiB
50 GB46.5661 GiB
100 GB93.1323 GiB

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