Terabits (Tb) to Gigabytes (GB) Converter
The Terabits (Tb) to Gigabytes (GB) Converter turns your Terabit (Tb) value into Gigabytes (GB). Type your storage value in the input field — 1 Tb = 125 GB, calculated across both decimal (SI) and binary (IEC) standards.
Terabits (Tb) to Gigabytes (GB) Converter
How to Convert Terabits to Gigabytes
To convert terabits to gigabytes, divide by 8 then adjust for scale. Since 1 byte = 8 bits, this conversion translates bit-based measurements to the byte-based units used for storage capacity. You might also need: GB to Tb converter.
Tb measures data in bits—commonly used for memory addressing and low-level data specifications. You might also need: Tb to Pb.
GB measures data in bytes—the standard unit for file sizes, storage capacity, and what you see in file explorers. See also: Yottabits in Gigabytes.
1 Tb = 125 GB (using SI decimal standard) — which means there are 125gigabytes in every terabit.
Tb to GB Conversion Formula
// Convert Tb to GB
GB = Tb × 125
// Reverse: Convert GB to Tb
Tb = GB × 0.008 Terabit to Gigabyte Conversion Examples
100 Tb = 12,500 GB
256 Tb = 32,000 GB
500 Tb = 62,500 GB
1,000 Tb = 125,000 GB
2,048 Tb = 256,000 GB
What Is a Terabit (Tb)? Definition and Uses
A terabit is 1,000 gigabits or 10^12 bits. Used for backbone network and data center connections. Use our converting Gibibits to Yobibytes.
The terabit is a SI decimal bit unit of digital information storage. It uses base 1,000 following the SI (International System of Units) standard. Learn more: Tibps to Ybps conversion rate.
Common uses: Data center interconnects, backbone networks, high-capacity optical links See also: calculate Tb to EiB.
1 Tb = 1 × 10¹² bits = 125 × 10⁹ bytes.
The terabit can be abbreviated as Tb; for example, 1 terabit can be written as 1 Tb.
What Is a Gigabyte (GB)? Definition and Uses
A gigabyte is 1,000 megabytes or 1,000,000,000 bytes using the SI decimal standard. This is what hard drive manufacturers typically use. Check out our how many Gigabytes in a PiB.
The gigabyte is a SI decimal unit of digital information storage. It uses base 1,000 following the SI (International System of Units) standard. Related: how many MiB in Zettabytes.
Common uses: Movies, video games, smartphone storage, USB drives, cloud storage plans You might also need: Zettabytes Per Second to GiB/s.
1 GB = 8 × 10⁹ bits = 1 × 10⁹ bytes.
The gigabyte can be abbreviated as GB; for example, 1 gigabyte can be written as 1 GB.
Terabit to Gigabyte Conversion Table
The table below shows various terabit measurements converted to gigabytes.
| Terabits | Gigabytes |
|---|---|
| 1 Tb | 125 GB |
| 2 Tb | 250 GB |
| 5 Tb | 625 GB |
| 10 Tb | 1,250 GB |
| 25 Tb | 3,125 GB |
| 50 Tb | 6,250 GB |
| 100 Tb | 12,500 GB |
| 250 Tb | 31,250 GB |
| 500 Tb | 62,500 GB |
| 1,000 Tb | 125,000 GB |