Gigabytes to Terabytes (GB to TB) Converter
Convert gigabytes to terabytes for hard drive sizing, backup planning, and cloud storage. See how many GB fit in a TB and compare storage capacities.
💻 Storage📐 TB = GB / 1,000 (decimal)
Gigabytes (GB)
Please enter valid values.
Formula & Reference
| Variable | Formula | Units |
|---|---|---|
| Gigabytes to Terabytes (GB to TB) Converter | TB = GB / 1,000 (decimal) | TB |
Step-by-Step Examples
Example 1
500 GB Drive
500 GB to TB.
- 500 / 1,000 = 0.5 TB
- A 500 GB drive is half a terabyte
✓ 0.5 TB
Example 2
Photo Library
50,000 photos at avg 5 MB = 250,000 MB = 250 GB.
- 250 / 1,000 = 0.25 TB
- Fits easily on a 1 TB external drive
✓ 0.25 TB
Example 3
Video Archive
10 hours of 4K at 15 GB/hr = 150 GB.
- 150 / 1,000 = 0.15 TB
- 4K movies average 15-25 GB each
✓ 0.15 TB
Real-World Applications
Backup Storage
Plan external drive and NAS sizes based on your total GB of data.
Video Production
Scale storage for professional 4K video workflows.
Cloud Storage
Compare cloud plans (GB) to local drive capacities (TB).
IT Planning
Size server and enterprise storage in terabytes from GB estimates.
Common Mistakes to Avoid
⚠️
Confusing decimal and binary TB
1 decimal TB = 1,000 GB. 1 binary TiB = 1,024 GiB = 1,099.5 GB. Most consumer usage is decimal. A 2 TB drive labeled by manufacturer holds 2,000 GB, but shows as 1.82 TiB in Windows.
⚠️
Underestimating storage growth
Storage needs typically grow 20-50% per year as photo and video resolution increases. Buy 2-3x more storage than your current needs.
⚠️
Not accounting for RAID overhead
RAID 1 (mirroring) uses 50% of drives for redundancy. RAID 5 uses 33%. A 3-drive 2 TB RAID 1 array provides only 2 TB usable (not 4 TB).
Frequently Asked Questions
How many GB in 1 TB? ▾
1,000 GB in 1 decimal TB. 1,024 GiB in 1 binary tebibyte (TiB). Consumer storage uses decimal: 1 TB drive = 1,000 GB.
Is 1 TB enough for a laptop? ▾
For most users: yes. 1 TB holds 100,000+ photos, 500+ hours of HD video, or thousands of programs. Power users (video editors, developers) often need 2-4 TB.
How much does 1 TB of cloud storage cost? ▾
Google One: $10/month for 2 TB. iCloud: $10/month for 2 TB. OneDrive: $7/month (with Microsoft 365). Backblaze B2: $6/month per TB (business).
What is a petabyte? ▾
1,000 terabytes = 1 petabyte (PB). Google, AWS, and large enterprises deal in petabytes and exabytes (1,000 PB). A petabyte would hold about 500 billion pages of text.
How many movies fit on 1 TB? ▾
HD (5 GB each): ~200 movies. 4K (20 GB each): ~50 movies. SD streaming quality (700 MB each): ~1,400 movies.