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Terabyte to Gigabyte Converter

Type a value — the answer appears instantly. 1 TB = 1,000 GB.

Reviewed by the OmniCalc teamMethod verified 2026-07-01

From unit

To unit
Result

1,000 gigabytes

= 1,000,000,000,000 B= 1,000,000 MB

equals 1,000 gigabytes

Formula: GB = TB × 1000

Terabyte to Gigabyte formula

GB = TB × 1000

Convert 5 terabytes to gigabytes

  1. Start with 5 terabytes.
  2. Multiply by the conversion factor: 5 × 1,000 = 5,000.
  3. So 5 TB = 5,000 GB.

Terabyte to Gigabyte conversion table

Terabyte to Gigabyte conversion table
Terabytes (TB)Gigabytes (GB)
0.01 TB10 GB
0.1 TB100 GB
0.25 TB250 GB
0.5 TB500 GB
1 TB1,000 GB
2 TB2,000 GB
3 TB3,000 GB
4 TB4,000 GB
5 TB5,000 GB
6 TB6,000 GB
7 TB7,000 GB
8 TB8,000 GB
9 TB9,000 GB
10 TB10,000 GB
15 TB15,000 GB
20 TB20,000 GB
25 TB25,000 GB
30 TB30,000 GB
40 TB40,000 GB
50 TB50,000 GB
75 TB75,000 GB
100 TB100,000 GB
250 TB250,000 GB
500 TB500,000 GB
1,000 TB1,000,000 GB
5,000 TB5,000,000 GB
10,000 TB10,000,000 GB

Unit definitions

What is a terabyte?

The terabyte (decimal) is one trillion bytes (1000⁴) under the SI convention. Modern hard drives and large media libraries are measured in terabytes. It differs from the binary tebibyte (1024⁴ bytes).

What is a gigabyte?

The gigabyte (decimal) is one billion bytes (1000³) under the SI convention that drive and phone makers use. Movies, apps, and storage capacities are usually quoted in gigabytes. It is smaller than a gibibyte (1,073,741,824 bytes).

Frequently asked questions

How many gigabytes are in one terabyte?

One terabyte equals 1,000 gigabytes (1 TB = 1,000 GB).

How do I convert terabytes to gigabytes?

Multiply the value in terabytes by 1,000. For example, 10 TB × 1,000 = 10,000 GB.

Which is bigger — a terabyte or a gigabyte?

A terabyte is bigger: one terabyte contains 1,000 gigabytes.

Is this terabyte to gigabyte converter free?

Yes — the converter is free, works offline once loaded, and computes instantly in your browser without sending your numbers to a server.

Conversion factors follow international definitions (SI / NIST). Last verified 2026-07-01.