The gigabyte
The gigabyte (GB) equals 1,000,000,000 bytes. The difference between GB (decimal) and GiB (binary, 1,073,741,824 B) is the reason a '1 TB' drive shows as ~931 GB in Windows.
Gigabytes to Terabytes Converter
1 GB = 0.001 TB
1 gigabyte equals 0.001 terabytes. To convert gigabytes to terabytes, multiply the gigabyte value by 0.001. For quick reference: 1 GB = 0.001 TB, 5 GB = 0.005 TB, 10 GB = 0.01 TB, 100 GB = 0.1 TB.
Formula
Terabytes = Gigabytes × 0.001Quick
How to convert gigabytes to terabytes
Take your value
Start with your value in gigabytes.
Multiply by 0.001
Multiply the gigabyte value by 0.001. This is the exact conversion factor from gigabytes to terabytes.
Read the result
The product is your value in terabytes. For example, 5 GB × 0.001 = 0.005 TB.
Conversion formula
The exact factor from gigabytes to terabytes is 0.001.
Terabytes = Gigabytes × 0.001
Gigabytes to Terabytes conversion table
Fifty common reference values, hand-picked for skim utility. Use the calculator above for any value not listed.
| Gigabytes (GB) | Terabytes (TB) |
|---|---|
| 1 GB | 0.001 TB |
| 8 GB | 0.008 TB |
| 16 GB | 0.016 TB |
| 64 GB | 0.064 TB |
| 100 GB | 0.1 TB |
| 256 GB | 0.256 TB |
| 500 GB | 0.5 TB |
| 512 GB | 0.512 TB |
| 1000 GB | 1 TB |
| 1024 GB | 1.024 TB |
| 2000 GB | 2 TB |
| 2048 GB | 2.048 TB |
| 4096 GB | 4.096 TB |
| 5000 GB | 5 TB |
| 8192 GB | 8.192 TB |
| 10000 GB | 10 TB |
| 16384 GB | 16.384 TB |
| 25000 GB | 25 TB |
| 32768 GB | 32.768 TB |
| 50000 GB | 50 TB |
| 65536 GB | 65.536 TB |
| 100000 GB | 100 TB |
| 131072 GB | 131.07 TB |
| 250000 GB | 250 TB |
| 500000 GB | 500 TB |
| 524288 GB | 524.29 TB |
| 1000000 GB | 1000 TB |
| 1048576 GB | 1048.6 TB |
| 2000000 GB | 2000 TB |
| 5000000 GB | 5000 TB |
| 10000000 GB | 10000 TB |
| 50000000 GB | 50000 TB |
| 100000000 GB | 100000 TB |
| 500000000 GB | 500000 TB |
| 1000000000 GB | 1000000 TB |
| 2000000000 GB | 2000000 TB |
| 5000000000 GB | 5000000 TB |
| 10000000000 GB | 10000000 TB |
| 50000000000 GB | 50000000 TB |
| 100000000000 GB | 100000000 TB |
| 500000000000 GB | 500000000 TB |
| 1000000000000 GB | 1000000000 TB |
| 2000000000000 GB | 2000000000 TB |
| 5000000000000 GB | 5000000000 TB |
| 10000000000000 GB | 10000000000 TB |
| 100000000000000 GB | 100000000000 TB |
| 1000000000000000 GB | 1000000000000 TB |
| 10000000000000000 GB | 10000000000000 TB |
| 100000000000000000 GB | 100000000000000 TB |
| 1000000000000000000 GB | 1.0000 × 10^15 TB |
Real-world reference
A standard-definition movie is around 1–2 GB. Phones and laptops typically ship with 128 GB to 2 TB of storage.
Frequently asked questions
- How many terabytes are in 1 gigabyte?
- 1 gigabyte equals 0.001 terabytes.
- How do I convert gigabytes to terabytes?
- Multiply the gigabyte value by 0.001. So x GB × 0.001 = the equivalent in TB.
- What is 5 gigabytes in terabytes?
- 5 gigabytes equals 0.005 terabytes.
- What is 10 gigabytes in terabytes?
- 10 gigabytes equals 0.01 terabytes.
- What is 100 gigabytes in terabytes?
- 100 gigabytes equals 0.1 terabytes.
- How do I convert back from terabytes to gigabytes?
- Multiply the terabyte value by 1000. For example, 1 TB = 1000 GB.
- Is the gigabyte bigger than the terabyte?
- No. 1 gigabyte is smaller than 1 terabyte. It takes 1000 gigabytes to equal 1 terabyte.
- Are these conversion factors exact?
- Yes. The factor of 0.001 is derived directly from the SI definitions of gigabyte and terabyte.
About the gigabyte and the terabyte
The terabyte
The terabyte (TB) equals 10¹² bytes. Standard for hard-drive capacity. A 4K movie at typical streaming bitrate uses about 7 GB per hour, so 1 TB holds roughly 140 hours.