Convert gigabytes to terabytes

1 GB = 0.001 TB — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.

0.001TB
✓ Exact 1 GB = 0.001 TB
As a fraction: 1/1000
More converter tools

Readable results

Ranges, ± tolerances, feet/inches and clock durations work in the value field.

Unit picker

Export this result

1 GB = 0.001 TB
Show this value in all 26 digital storage units
  • Bits b 8 000 000 000
  • Nibbles nibble 2 000 000 000
  • Bytes B 1 000 000 000
  • Kilobits kb 8 000 000
  • Megabits Mb 8000
  • Gigabits Gb 8
  • Terabits Tb 0.008
  • Petabits Pb 0.000 008
  • Exabits Eb 8e-9
  • Kilobytes kB 1 000 000
  • Megabytes MB 1000
  • Gigabytes GB 1
  • Terabytes TB 0.001
  • Petabytes PB 0.000 001
  • Exabytes EB 1e-9
  • Kibibits Kib 7 812 500
  • Mebibits Mib 7629.394 531 25
  • Gibibits Gib 7.450 580 596 92
  • Tebibits Tib 0.007 275 957 614 18
  • Kibibytes KiB 976 562.5
  • Mebibytes MiB 953.674 316 406
  • Gibibytes GiB 0.931 322 574 615
  • Tebibytes TiB 0.000 909 494 701 773
  • Pebibytes PiB 0.000 000 888 178 419 7
  • Exbibytes EiB 8.67361737988e-10
  • Blocks block 1 953 125

Every row is Gigabyte (GB) converted through the bit, in exact rational arithmetic.

How to convert gigabytes to terabytes

Multiply the number of gigabytes by 0.001 to get terabytes.

The exact factor is 0.001 — as a fraction, 1/1000.

Gigabyte to Terabyte conversion table

Gigabytes (GB) Terabytes (TB)
1 GB 0.001
2 GB 0.002
3 GB 0.003
5 GB 0.005
10 GB 0.01
20 GB 0.02
25 GB 0.025
50 GB 0.05
100 GB 0.1
250 GB 0.25
500 GB 0.5
1000 GB 1

Terabyte to Gigabyte conversion table

Terabytes (TB) Gigabytes (GB)
1 TB 1000
2 TB 2000
3 TB 3000
5 TB 5000
10 TB 10 000
20 TB 20 000
25 TB 25 000
50 TB 50 000
100 TB 100 000
250 TB 250 000
500 TB 500 000
1000 TB 1 000 000

Frequently asked

How many terabytes are in a gigabyte?

One gigabyte equals 0.001 terabytes (GB → TB). That figure is exact, not rounded.

How do you convert gigabytes to terabytes?

Multiply the number of gigabytes by 0.001 to get terabytes.

What is 1 TB in gigabytes?

One terabyte is 1000 gigabytes.

What is 10 GB in TB?

10 GB = 0.01 TB.

Related conversions

Settings

Theme

System follows your operating system and changes with it.

Text size
High contrast

Maximises text and border contrast and removes the grid background.

Graph-paper background

Round to
Notation
Thousands separators
Decimal mark
Nearest fraction

Shows the result as the nearest tape-measure fraction, with the error it costs.


Accessibility & interaction
Reduce motion Stops interface animations even when the operating system does not.
Underline links Keeps links visually distinct without relying on colour.
Larger touch targets Makes buttons and form controls easier to tap.
Shorter reading lines Limits article width for easier scanning.
Monochrome display Removes colour as an information cue.
Always-visible focus Makes the keyboard focus ring persistent and stronger.
Verbose screen-reader results Announces the complete conversion equation.
Sticky action bars Keeps converter and calculator actions within reach.
Select values on focus Replaces a value immediately when you start typing.
Left-handed mobile layout Moves key mobile actions toward the left thumb.

Your data

Settings, recent conversions and favourites live in this browser only. Nothing is sent anywhere.

Offline library