1 Tebibyte equals 1,024 Gibibytes.
| Tebibyte (TiB) | Gibibyte (GiB) |
|---|---|
| 1 TiB | 1,024 GiB |
| 2 TiB | 2,048 GiB |
| 4 TiB | 4,096 GiB |
| 8 TiB | 8,192 GiB |
| 16 TiB | 16,384 GiB |
| 32 TiB | 32,768 GiB |
| 64 TiB | 65,536 GiB |
| 128 TiB | 131,072 GiB |
| 256 TiB | 262,144 GiB |
| 512 TiB | 524,288 GiB |
| 1,024 TiB | 1,048,580 GiB |
| 2,048 TiB | 2,097,150 GiB |
To convert Tebibytes to Gibibytes, multiply the value by 1,024. This factor comes from the ratio of the two units' definitions: one Tebibyte equals 1,024 Gibibytes.
For example: 1 Tebibyte = 1,024 Gibibytes, and 10 Tebibytes = 10,240 Gibibytes.
To convert in the reverse direction — from Gibibytes to Tebibytes — multiply by 0.000976563.
A tebibyte (TiB) equals exactly 1,099,511,627,776 bytes (2⁴⁰ bytes), compared to the SI terabyte (TB) of exactly 1,000,000,000,000 bytes. The difference is about 9.95% — nearly 10%. This means a "4 TB" hard drive (decimal) contains only about 3.637 TiB. For large storage systems, this discrepancy compounds: a data center advertised as "1 PB" (petabyte) of storage holds about 909 TiB in binary terms — nearly 100 TiB less than a naive reading would suggest.
Enterprise storage systems, backup software, and infrastructure planning tools are increasingly careful to distinguish between TB and TiB precisely because the stakes at multi-terabyte scale are meaningful. A datacenter operator calculating storage costs, redundancy ratios, or backup windows at the TiB level avoids the ~10% miscalculation that using TB and TiB interchangeably would introduce. Cloud billing for storage is typically in GB (decimal), but internal allocation tracking is often in GiB or TiB.
The tebibyte is the natural unit for discussing RAM and VRAM in high-end systems. A machine with 1 TiB of RAM has 2⁴⁰ bytes — exactly a tebibyte — of addressable memory. With RAM currently reaching up to 6 TiB in the largest enterprise servers, and GPU VRAM approaching 200 GiB in high-end accelerators, the tebibyte is moving from theoretical to practical for the most demanding computing workloads in AI training and scientific simulation.
A gibibyte (GiB) equals exactly 1,073,741,824 bytes (2³⁰ bytes), compared to the SI gigabyte (GB) of exactly 1,000,000,000 bytes. The difference is about 7.4% — enough to matter when comparing storage advertised in GB against what an operating system reports in GiB. When you buy a "500 GB" SSD formatted in GB (500,000,000,000 bytes) and connect it to Windows, the OS reports it as about 465 GiB, leading many users to think they've been shortchanged.
The gibibyte is the practical unit for RAM in computing: a computer advertised with "16 GB RAM" actually contains 16 GiB (16 × 2³⁰ = 17,179,869,184 bytes), because memory chips are made in binary sizes. Both notations mean the same physical amount — the "GB" in memory contexts has always meant "binary gigabyte" (GiB). Only with external storage (drives) does the distinction bite users, because drive manufacturers use decimal GB while OSs report in binary GiB.
Linux and macOS have moved toward using GiB notation more accurately than Windows, reducing consumer confusion. Technical standards documents, kernel documentation, and network engineering references increasingly use GiB when binary precision matters. For data scientists and engineers working with large datasets, the distinction between GiB and GB can matter when calculating how many records fit in memory or how much data can be written to a drive in a given time.
1 Tebibyte equals 1,024 Gibibytes.
To convert Tebibytes to Gibibytes, multiply by 1,024. For example, 0.1 Tebibytes = 102.4 Gibibytes.
1 Gibibyte equals 0.000976563 Tebibytes.