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TB to GB Calculator

Convert terabytes to gigabytes for drives, cloud storage plans, backups, media libraries, and large storage estimates.

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TB

Enter the storage amount in terabytes.

Result

Gigabytes
1,024

Terabytes multiplied by 1,024.

How TB to GB conversion works

This calculator uses the common computing convention that 1 terabyte equals 1,024 gigabytes.

It multiplies terabytes by 1,024 to estimate gigabytes.

This is useful for comparing drive capacity, cloud storage plans, media libraries, and backup requirements.

Useful next steps

TB to GB formula

Gigabytes = Terabytes * 1024

Multiply terabytes by 1,024 to convert to gigabytes.

  • Terabytes is the starting storage amount.
  • 1,024 is the number of gigabytes in one terabyte under this convention.
  • Gigabytes is the converted storage amount.

What the Numbers Mean

Terabytes
A large data-size unit used for drives, backups, cloud storage, and media libraries.
Gigabytes
A smaller data-size unit used for storage plans, large files, and device capacity.
Storage convention
This calculator uses 1 TB = 1,024 GB.

Assumptions

  • The calculator uses 1 TB = 1,024 GB.
  • Negative storage amounts are not allowed.
  • Drive makers and operating systems may display capacity with different conventions.
  • Use provider-specific documentation when storage billing depends on exact unit definitions.

Worked Examples

1 TB to GB

Input
1 TB
Formula
1 * 1024
Output
1,024 GB

One terabyte equals 1,024 gigabytes under this convention.

2 TB to GB

Input
2 TB
Formula
2 * 1024
Output
2,048 GB

This is common for external drives and backup plans.

4 TB to GB

Input
4 TB
Formula
4 * 1024
Output
4,096 GB

Large local storage is often advertised in terabytes.

0.5 TB to GB

Input
0.5 TB
Formula
0.5 * 1024
Output
512 GB

Half a terabyte equals 512 GB with this conversion.

Frequently Asked Questions

How do I convert TB to GB?

Multiply terabytes by 1,024. For example, 2 TB equals 2,048 GB.

How many GB are in 1 TB?

This calculator uses 1,024 GB in 1 TB.

Why might a drive show less space than expected?

Drive makers and operating systems may use different unit conventions and some capacity is used by formatting or system files.

Can I use this for cloud storage plans?

Yes for rough planning, but check the provider's unit convention for exact quotas or billing.

What is 0.5 TB in GB?

0.5 TB equals 512 GB using the 1,024-based convention.

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Disclaimer

This calculator uses a simplified 1,024-based data conversion and does not resolve every vendor or operating-system storage-label convention.