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.
Terabytes to Gigabytes Converter
1 TB = 1000 GB
1 terabyte equals 1000 gigabytes. To convert terabytes to gigabytes, multiply the terabyte value by 1000. For quick reference: 1 TB = 1000 GB, 5 TB = 5000 GB, 10 TB = 10000 GB, 100 TB = 100000 GB.
Formula
Gigabytes = Terabytes × 1000Quick
How to convert terabytes to gigabytes
Take your value
Start with your value in terabytes.
Multiply by 1000
Multiply the terabyte value by 1000. This is the exact conversion factor from terabytes to gigabytes.
Read the result
The product is your value in gigabytes. For example, 5 TB × 1000 = 5000 GB.
Conversion formula
The exact factor from terabytes to gigabytes is 1000.
Gigabytes = Terabytes × 1000
Terabytes to Gigabytes conversion table
Fifty common reference values, hand-picked for skim utility. Use the calculator above for any value not listed.
| Terabytes (TB) | Gigabytes (GB) |
|---|---|
| 1 TB | 1000 GB |
| 8 TB | 8000 GB |
| 16 TB | 16000 GB |
| 64 TB | 64000 GB |
| 100 TB | 100000 GB |
| 256 TB | 256000 GB |
| 500 TB | 500000 GB |
| 512 TB | 512000 GB |
| 1000 TB | 1000000 GB |
| 1024 TB | 1024000 GB |
| 2000 TB | 2000000 GB |
| 2048 TB | 2048000 GB |
| 4096 TB | 4096000 GB |
| 5000 TB | 5000000 GB |
| 8192 TB | 8192000 GB |
| 10000 TB | 10000000 GB |
| 16384 TB | 16384000 GB |
| 25000 TB | 25000000 GB |
| 32768 TB | 32768000 GB |
| 50000 TB | 50000000 GB |
| 65536 TB | 65536000 GB |
| 100000 TB | 100000000 GB |
| 131072 TB | 131072000 GB |
| 250000 TB | 250000000 GB |
| 500000 TB | 500000000 GB |
| 524288 TB | 524288000 GB |
| 1000000 TB | 1000000000 GB |
| 1048576 TB | 1048576000 GB |
| 2000000 TB | 2000000000 GB |
| 5000000 TB | 5000000000 GB |
| 10000000 TB | 10000000000 GB |
| 50000000 TB | 50000000000 GB |
| 100000000 TB | 100000000000 GB |
| 500000000 TB | 500000000000 GB |
| 1000000000 TB | 1000000000000 GB |
| 2000000000 TB | 2000000000000 GB |
| 5000000000 TB | 5000000000000 GB |
| 10000000000 TB | 10000000000000 GB |
| 50000000000 TB | 50000000000000 GB |
| 100000000000 TB | 100000000000000 GB |
| 500000000000 TB | 500000000000000 GB |
| 1000000000000 TB | 1.0000 × 10^15 GB |
| 2000000000000 TB | 2.0000 × 10^15 GB |
| 5000000000000 TB | 5.0000 × 10^15 GB |
| 10000000000000 TB | 1.0000 × 10^16 GB |
| 100000000000000 TB | 1.0000 × 10^17 GB |
| 1000000000000000 TB | 1.0000 × 10^18 GB |
| 10000000000000000 TB | 1.0000 × 10^19 GB |
| 100000000000000000 TB | 1.0000 × 10^20 GB |
| 1000000000000000000 TB | 1.0000 × 10^21 GB |
Real-world reference
A consumer NAS typically holds 4–32 TB across multiple drives. 1 TB of cloud storage is the standard 'pro' tier on most consumer plans. In gigabytes, that gives you: 1 TB = 1000 GB, 10 TB = 10000 GB, 100 TB = 100000 GB.
Frequently asked questions
- How many gigabytes are in 1 terabyte?
- 1 terabyte equals 1000 gigabytes.
- How do I convert terabytes to gigabytes?
- Multiply the terabyte value by 1000. So x TB × 1000 = the equivalent in GB.
- What is 5 terabytes in gigabytes?
- 5 terabytes equals 5000 gigabytes.
- What is 10 terabytes in gigabytes?
- 10 terabytes equals 10000 gigabytes.
- What is 100 terabytes in gigabytes?
- 100 terabytes equals 100000 gigabytes.
- How do I convert back from gigabytes to terabytes?
- Multiply the gigabyte value by 0.001. For example, 1 GB = 0.001 TB.
- Is the terabyte bigger than the gigabyte?
- Yes. 1 terabyte is larger than 1 gigabyte — specifically 1000 times larger.
- Are these conversion factors exact?
- Yes. The factor of 1000 is derived directly from the SI definitions of terabyte and gigabyte.
About the terabyte and the gigabyte
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.