Terabytes to terabits
Type a value in terabytes to see it in terabits straight away, or type in the second box to convert back.
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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.
How to use it
- Type the value in the terabytes box.
- Read the result in terabits as you type, and pick the precision you need.
- Swap the direction to convert back, or copy the result.
How it is calculated
Tbit = TB × 8
Multiply the value in terabytes by 8 to get terabits.
Example
To convert 25 TB to terabits: 25 × 8 = 200 Tbit.
Conversion table
| Terabytes (TB) | Terabits (Tbit) |
|---|---|
| 1 | 8 |
| 2 | 16 |
| 3 | 24 |
| 5 | 40 |
| 10 | 80 |
| 20 | 160 |
| 25 | 200 |
| 50 | 400 |
| 100 | 800 |
| 250 | 2,000 |
| 500 | 4,000 |
| 1,000 | 8,000 |
About the units
- Terabyte
- A decimal unit equal to exactly 10^12 bytes, which is 1000 decimal gigabytes.
- Terabit
- A decimal unit equal to exactly 10^12 bits, which is 125 decimal gigabytes.
Limits and caveats
- Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
- Both unit factors are exact by their official definitions.
Questions about this tool
How many terabits are in one terabyte?
1 TB = 8 Tbit exactly.
How do I convert terabytes to terabits?
Use Tbit = TB × 8. For example, 25 TB = 200 Tbit.
How many terabytes are in one terabit?
1 Tbit = 0.125 TB.
Why does a 1 TB drive show about 931 GB on my computer?
Drive makers count 1 TB as 10^12 bytes, while Windows divides by 2^30 and labels the result GB even though it is really GiB. So 10^12 ÷ 1,073,741,824 gives about 931.32, and no space is missing.
What is the difference between a kilobyte and a kibibyte?
A kilobyte (kB) is a decimal unit of 1000 bytes and a kibibyte (KiB) is a binary unit of 1024 bytes. The same split applies to mega and mebi, giga and gibi, and the gap grows at each step.