Convert data storage units — bytes, KB, MB, GB, TB, PB, bits and binary units.
| Unit | Name | Value |
|---|---|---|
| 0.001 GiB | 0.00107374 GB | |
| 0.01 GiB | 0.0107374 GB | |
| 0.1 GiB | 0.107374 GB | |
| 1 GiB | 1.07374 GB | |
| 5 GiB | 5.36871 GB | |
| 10 GiB | 10.7374 GB | |
| 50 GiB | 53.6871 GB | |
| 100 GiB | 107.374 GB | |
| 1000 GiB | 1073.74 GB |
Formula: Gigabyte = Gibibyte × 1.074
Multiply any gibibyte value by 1.074 to get gigabyte. One gibibyte equals 1.074 GB.
Reverse: Gibibyte = Gigabyte × 0.9313
Common gibibyte values with real-world context — factor: 1 GiB = 1.074 GB
| Gibibyte (GiB) | Gigabyte (GB) | Context |
|---|---|---|
| 0.001 GiB | 0.001074 GB | 1 MiB |
| 0.1 GiB | 0.1074 GB | 100 MiB |
| 1 GiB | 1.074 GB | 1 GiB |
| 4 GiB | 4.295 GB | 4 GiB RAM |
| 16 GiB | 17.18 GB | 16 GiB RAM |
| 64 GiB | 68.72 GB | 64 GiB SSD |
| 128 GiB | 137.4 GB | 128 GiB phone |
| 256 GiB | 274.9 GB | 256 GiB SSD |
| 512 GiB | 549.8 GB | 512 GiB laptop |
| 1,024 GiB | 1,100 GB | 1 TiB |
| 2,048 GiB | 2,199 GB | 2 TiB drive |
| 4,096 GiB | 4,398 GB | 4 TiB NAS |
| 1.638e+04 GiB | 1.759e+04 GB | 16 TiB NAS |
| 1.049e+06 GiB | 1.126e+06 GB | 1 PiB |
| 1.074e+09 GiB | 1.153e+09 GB | 1 EiB |
GiB × 1.073741824 = GB. GiB is about 7.4% larger than GB.
1 GiB = 2³⁰ bytes. 1 GB = 10⁹ bytes. Different standards, same label confusion.
A '256 GB' phone has 256 GiB = 274.88 GB in decimal bytes.
Reads disk usage in GiB reported by df, du, and Disk Utility.
Allocates VM disk images and memory in GiB for precise binary sizing.
Specifies DRAM modules — all RAM is binary: 4 GiB, 8 GiB, 16 GiB.
Reports benchmark results in GiB/s for storage throughput testing.
Tracks backup image sizes in GiB for incremental backup planning.
Uses GiB for memory map, virtual address space, and page pool sizing.
The gibibyte (GiB) equals exactly 1,073,741,824 bytes (2^30). This is the actual size of what Windows labels 'GB' on hard drives — the reason a '500 GB' drive shows as ~465 GB in Windows.
Operating system memory reports use GiB: a system with 8 GiB RAM has exactly 8,589,934,592 bytes. Hard drive manufacturers use decimal GB while OS tools report binary GiB — causing the perennial 'missing space' issue.
Interesting fact: A 1 TB (decimal) hard drive holds 0.909 TiB. The ~91 GB 'missing' is not lost — it's the difference between the manufacturer's 10^12 definition and the OS's 2^40 definition.
The gigabyte (GB) equals 1,000,000,000 bytes (decimal) or 1,073,741,824 bytes (binary). The distinction matters: Windows historically reported drive sizes in binary gigabytes, while drive manufacturers used decimal — causing the perennial 'missing space' confusion.
Gigabytes define modern consumer storage: smartphone apps, photos, and videos. A typical smartphone photo is 3-5 MB, so 1 GB holds roughly 200-300 photos. A 4K movie takes 60-100 GB.
Interesting fact: The first 1 GB hard drive (IBM 3380, 1980) weighed 250 kg and cost $40,000. Today, a 1 GB microSD card costs about $0.10.
Converting gibibyte to gigabyte is a common task in computing, networking, and data management. Storage manufacturers, operating systems, and network equipment often express data sizes in different units — understanding the conversion is essential for comparing specifications, planning storage capacity, and interpreting network speed versus file size relationships.
As a practical reference: 5 GiB = 5.369 GB and 10 GiB = 10.74 GB. For larger quantities, 100 GiB = 107.4 GB. The reverse conversion uses the factor 0.9313, so 1 GB = 0.9313 GiB. Note that decimal prefixes (KB=1,000, MB=1,000,000) differ from binary prefixes (KiB=1,024, MiB=1,048,576) — always check which standard your software or hardware uses.
All conversions use the internationally recognized factor of exactly 1 GiB = 1.074 GB, calculated with IEEE 754 double-precision arithmetic accurate to at least 8 significant figures.