Gigabytes (GB) to Terabits (Tb) Converter
Enter your Gigabytes (GB) value to convert to Terabits (Tb). 1 GB = 0.008 Tb, calculated across both decimal (SI) and binary (IEC) standards.
Convert Gigabytes to Terabits
Do you want to convert terabits to gigabytes?
How to Convert Gigabytes to Terabits
To convert gigabytes to terabits, multiply by 8 then adjust for scale. This converts byte-based storage measurements to bit-based units. You might also need: Terabits to Gigabytes.
GB is a byte-based unit used for measuring file sizes and storage capacity. Related: Gigabytes to Yottabytes converter.
Tb is a bit-based unit—multiply bytes by 8 to get bits. Learn more: Pebibits to Terabits calculator.
1 GB = 0.008 Tb (using SI decimal standard) — or equivalently, 1 Tb = 125GB.
GB to Tb Conversion Formula
// Convert GB to Tb
Tb = GB × 0.008
// Reverse: Convert Tb to GB
GB = Tb × 125
GB to Tb Conversion Examples
100 GB = 0.8 Tb
256 GB = 2.048 Tb
500 GB = 4 Tb
1,000 GB = 8 Tb
2,048 GB = 16.384 Tb
What Is a Gigabyte?
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. Related: convert Tebibits to Kibibits.
The gigabyte is a SI decimal unit of digital information storage. It uses base 1,000 following the SI (International System of Units) standard. See also: Tebibits Per Second to Terabits Per Second conversion.
Common uses: Movies, video games, smartphone storage, USB drives, cloud storage plans Check out our GB to Tebibits converter.
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.
What Is a Terabit?
A terabit is 1,000 gigabits or 10^12 bits. Used for backbone network and data center connections. Check out our Tebibits to Tb calculator.
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. See also: convert MB to Yobibytes.
Common uses: Data center interconnects, backbone networks, high-capacity optical links Use our Zettabytes Per Second to PiB/s.
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.
Gigabyte to Terabit Conversion Table
The table below shows various gigabyte measurements converted to terabits.
| Gigabytes | Terabits |
|---|---|
| 1 GB | 0.008 Tb |
| 2 GB | 0.016 Tb |
| 5 GB | 0.04 Tb |
| 10 GB | 0.08 Tb |
| 25 GB | 0.2 Tb |
| 50 GB | 0.4 Tb |
| 100 GB | 0.8 Tb |
| 250 GB | 2 Tb |
| 500 GB | 4 Tb |
| 1,000 GB | 8 Tb |
| 5,000 GB | 40 Tb |
| 10,000 GB | 80 Tb |
💡 Storage Engineer Tip
Multiply bytes by 8 to get bits. A 10 MB file requires 80 Mb of bandwidth—essential when calculating transfer times over network links.
— Subash Geetha Krishnan, 15+ years in enterprise storage
When to Convert GB to Tb
Common scenario: Calculating bandwidth requirements for file transfers, or estimating how long uploads/downloads will take. Use our how many Eb in Gigabytes.
Other situations include storage planning for calculating how much data fits in a given capacity, file management for understanding sizes across different scales, cost estimation for budgeting cloud storage, and backup planning for determining media requirements. Try the how many Terabits in a MiB.