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Terabits (Tb) to Gigabytes (GB) Converter

1 Tb = 125 GB

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

Conversion Result

1 Tb = 125 GB

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.

Learn more about terabits →

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.

Learn more about gigabytes →

Terabit to Gigabyte Conversion Table

The table below shows various terabit measurements converted to gigabytes.

Terabits to Gigabytes conversion values
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