Gigabits (Gb) to Terabytes (TB) Converter
Enter your Gigabits (Gb) value to convert to Terabytes (TB). 1 Gb = 0.000125 TB, calculated across both decimal (SI) and binary (IEC) standards.
Convert Gigabits to Terabytes
Do you want to convert terabytes to gigabits?
How to Convert Gigabits to Terabytes
To convert gigabits to terabytes, 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. Check out our convert TB to Gb.
Gb measures data in bits—commonly used for memory addressing and low-level data specifications. See also: Gb → EiB.
TB measures data in bytes—the standard unit for file sizes, storage capacity, and what you see in file explorers. Related: Megabytes to Terabytes.
1 Gb = 0.000125 TB (using SI decimal standard) — or equivalently, 1 TB = 8,000Gb.
Gb to TB Conversion Formula
// Convert Gb to TB
TB = Gb × 0.000125
// Reverse: Convert TB to Gb
Gb = TB × 8,000
Gb to TB Conversion Examples
100 Gb = 0.0125 TB
256 Gb = 0.032 TB
500 Gb = 0.0625 TB
1,000 Gb = 0.125 TB
2,048 Gb = 0.256 TB
What Is a Gigabit?
A gigabit is 1,000 megabits or 1,000,000,000 bits. Used for high-speed network connections. You might also need: Pebibytes to Kilobits converter.
The gigabit 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: Zebibits Per Second to Gigabits Per Second calculator.
Common uses: Fiber internet speeds, enterprise networking, 10GbE connections Try the convert Gigabits to Zebibytes.
1 Gb = 1 × 10⁹ bits = 125 × 10⁶ bytes.
The gigabit can be abbreviated as Gb; for example, 1 gigabit can be written as 1 Gb.
What Is a Terabyte?
A terabyte is 1,000 gigabytes or 1,000,000,000,000 bytes. Common size for modern hard drives and SSDs. See also: Exbibytes to Terabytes conversion.
The terabyte is a SI decimal unit of digital information storage. It uses base 1,000 following the SI (International System of Units) standard. Check out our Eb to Exbibytes converter.
Common uses: External hard drives, NAS storage, video libraries, enterprise backups Try the Yobibits Per Second to Kbps calculator.
1 TB = 8 × 10¹² bits = 1 × 10¹² bytes.
The terabyte can be abbreviated as TB; for example, 1 terabyte can be written as 1 TB.
Gigabit to Terabyte Conversion Table
The table below shows various gigabit measurements converted to terabytes.
| Gigabits | Terabytes |
|---|---|
| 1 Gb | 0.000125 TB |
| 2 Gb | 0.00025 TB |
| 5 Gb | 0.000625 TB |
| 10 Gb | 0.00125 TB |
| 25 Gb | 0.003125 TB |
| 50 Gb | 0.00625 TB |
| 100 Gb | 0.0125 TB |
| 250 Gb | 0.03125 TB |
| 500 Gb | 0.0625 TB |
| 1,000 Gb | 0.125 TB |
| 5,000 Gb | 0.625 TB |
| 10,000 Gb | 1.25 TB |
💡 Storage Engineer Tip
Remember: 8 bits = 1 byte. When your ISP advertises "100 Mbps," divide by 8 to get your actual download speed in MB/s (approximately 12.5 MB/s theoretical maximum).
— Subash Geetha Krishnan, 15+ years in enterprise storage
When to Convert Gb to TB
Common scenario: Converting your internet speed (Mbps) to actual download rate in MB/s, or calculating real-world transfer capabilities. See also: convert Gb to Zebibits.
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. Check out our Zebibytes to TB.