GB to TB Converter — Free Gigabytes to Terabytes 2026 | AllInOneTools
🗄️ Free Converter

GB to TB Converter

Convert gigabytes to terabytes instantly with animated server rack visualizer, GB-to-TB packing chart, storage device comparison panel, step-by-step formula, and full reference table. 1 TB = 1024 GB.

See also: MB → GB Converter
GB → TB
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STORAGE SIZE
Gigabytes
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TB
TB = GB ÷ 1024 | 1 TB = 1024 GB
GB → TB Result
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Enter a GB value to animate the server rack
Each TB = 1024 GB — see how many TB your GB value fills
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How does this compare to common storage devices?
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GB to TB Reference Table
Gigabytes (GB)Terabytes (TB)Megabytes (MB)Petabytes (PB)Context
💡 Storage Insight
See also: MB → GB Converter

GB to TB Converter: Complete Guide to Converting Gigabytes to Terabytes

As storage capacities grow, gigabytes are giving way to terabytes as the standard unit for hard drives, SSDs, NAS systems, and cloud storage. A modern laptop SSD might be 512 GB (0.5 TB) or 1 TB (1024 GB). An external hard drive is 2–4 TB (2048–4096 GB). A home NAS might hold 16–32 TB. Understanding the GB-to-TB conversion lets you compare storage options, plan backup systems, and understand cloud storage pricing accurately.

The Formula: TB = GB ÷ 1024

In binary computing, 1 TB = 1024 GB. To convert gigabytes to terabytes, divide by 1024. Key anchors: 512 GB = 0.5 TB, 1024 GB = 1 TB, 2048 GB = 2 TB, 4096 GB = 4 TB. Hard drive manufacturers use the decimal definition (1 TB = 1000 GB), which is why a "1 TB" drive shows as approximately 931 GB in your operating system (1,000,000 MB ÷ 1024 ÷ 1024 = 931.3 GB).

TB = GB ÷ 1024 (binary — used by OS)
TB = GB ÷ 1000 (decimal — used by drive makers)

GB = TB × 1024

Key references:
128 GB = 0.125 TB
256 GB = 0.25 TB
512 GB = 0.5 TB
1024 GB = 1 TB
2048 GB = 2 TB
4096 GB = 4 TB
8192 GB = 8 TB
16384 GB = 16 TB

Hard Drives and SSDs

Consumer hard drives now commonly offer 1–8 TB (1024–8192 GB). Enterprise drives reach 20+ TB. SSDs are typically 250 GB–4 TB for consumer use. NVMe laptop SSDs ship at 512 GB (0.5 TB) or 1 TB. When shopping, a 2 TB HDD = 2048 GB binary — but advertised as "2,000 GB" decimal, showing as ~1.82 TB in Windows due to the binary/decimal discrepancy.

🖥️ NAS Build Example
A home NAS with 4× 4 TB drives = 16 TB raw. In RAID 5 (with one drive for parity), usable storage = 3× 4 TB = 12 TB = 12,288 GB. At 10 GB per HD movie, that stores 1,228 movies. At 30 MB per photo, that stores 409,600 photos. Understanding GB vs TB helps plan exactly how much content you can store.

Cloud Storage

Cloud plans are priced per TB or GB: Google One offers 100 GB, 200 GB, 2 TB tiers. iCloud starts at 50 GB. AWS S3 charges per GB stored. A 2 TB cloud plan = 2048 GB = 2,097,152 MB. Businesses moving data to cloud storage need to calculate costs accurately: a 500 GB database = 0.488 TB; a 10 TB data warehouse = 10,240 GB of cloud storage.

Video Production and Media

4K RAW video: ~1 GB/minute = roughly 1 TB per 17 hours. ProRes 4K: ~0.5 GB/minute. 8K RAW: ~3 GB/minute. A weekend film shoot might generate 500 GB–2 TB. Video editors need to quickly convert: a 300 GB project folder = 0.293 TB; 2.5 TB of archive footage = 2560 GB. This converter handles both directions instantly.

💡 Quick Mental Conversion
Divide GB by 1000 for a rough TB estimate (2.4% high). Exact: divide by 1024. Anchors: 500 GB ≈ 0.488 TB, 1000 GB ≈ 0.977 TB, 1024 GB = 1 TB exactly. Power-of-2 shortcut: if GB is a power of 2, just shift the decimal — 512 GB = 0.5 TB, 2048 = 2 TB, 4096 = 4 TB.

Frequently Asked Questions

How many GB is 1 TB?
1 TB = 1024 GB in binary computing (used by operating systems). Hard drive manufacturers use 1 TB = 1000 GB (decimal), which is why drives appear smaller in Windows than advertised.
How to convert GB to TB?
Divide the GB value by 1024. Example: 2560 GB ÷ 1024 = 2.5 TB.
Is 500 GB half a TB?
Not exactly. 500 GB = 0.4883 TB (binary). Exactly half a TB in binary is 512 GB. However, in decimal (used by drive makers), 500 GB = 0.5 TB.
Why does my 1 TB hard drive show less in Windows?
Manufacturers measure in decimal (1 TB = 1,000,000,000,000 bytes). Windows uses binary (1 TB = 1,099,511,627,776 bytes). So a "1 TB" drive = 931.3 GB in Windows. No data is missing — it's a units difference.
How many GB is 4 TB?
4 TB = 4096 GB. This is a common external hard drive capacity for home backups and media storage.
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