/convert/tb-to-gb/ Convert terabytes to gigabytes instantly with a reference conversion table. article terabytes to gigabytes Converter — 247QuickTools ,{ "@context": "https://schema.org", "@type": "SpeakableSpecification", "cssSelector": [".tool-intro", ".info-gain-section"] }
💾 Data Storage

terabytes to gigabytes Converter

Convert terabytes to gigabytes instantly with a reference conversion table.

Quick answer: To convert terabytes to gigabytes, multiply by 1024. For example, 1 terabytes = 1024 gigabytes. Use the calculator below for any value.
terabytes to gigabytes
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Common conversions
terabytes gigabytes
Formula:

How to convert terabytes to gigabytes

1

Enter your value

Type the number of terabytes you want to convert into the left box. The result in gigabytes appears instantly in the right box. You can also type into the right box to convert in the other direction.

2

Use the swap button

Click the ⇄ Swap button to reverse the conversion — gigabytes to terabytes. Your current value carries across so you don't have to re-enter anything.

3

About terabytes and gigabytes

terabytes and gigabytes are common data measurements.

💡 Did you know?

1 TB = 1,000 GB (decimal, used by storage manufacturers) or 1,024 GB (binary, used by Windows). The discrepancy grew as storage sizes increased: at 1 TB, the decimal vs binary difference is 74 GB — the amount of storage 'lost' between the marketed size and the displayed size.

📊 Common conversions at a glance
terabytes gigabytes
0.001 1.024
0.01 10.24
0.1 102.4
0.25 256
0.5 512
1 1024
Reviewed for 2026. terabytes ↔ gigabytes conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.