---
title: "Terabytes to Gigabytes — TB to GB converter"
description: "1 terabyte = 1,000 gigabytes. Convert terabytes to gigabytes with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/tb-to-gb/
site: "At One Place"
---

# Terabytes to gigabytes

**1 terabyte in gigabytes: 1 TB = 1,000 GB**

GB = TB × 1,000

To convert terabytes to gigabytes, multiply by 1,000. The table below gives the values people look up most often, and the converter works for any number.

## Terabytes to gigabytes table

*Common terabyte values converted to gigabytes.*

| Terabytes | Gigabytes |
| --- | --- |
| 1 TB | 1,000 |
| 2 TB | 2,000 |
| 3 TB | 3,000 |
| 4 TB | 4,000 |
| 5 TB | 5,000 |
| 10 TB | 10,000 |
| 15 TB | 15,000 |
| 20 TB | 20,000 |
| 25 TB | 25,000 |
| 30 TB | 30,000 |
| 40 TB | 40,000 |
| 50 TB | 50,000 |
| 75 TB | 75,000 |
| 100 TB | 100,000 |
| 250 TB | 250,000 |
| 500 TB | 500,000 |
| 1,000 TB | 1,000,000 |

## How the conversion works

The relationship is GB = TB × 1,000. Both units measure data, so the conversion is a fixed factor that never changes.

## Common questions

### How many gigabytes are in one terabyte?

One terabyte equals 1,000 gigabytes. GB = TB × 1,000.

### How do you convert terabytes to gigabytes?

Use GB = TB × 1,000. So 10 TB is 10,000 GB.

### How many terabytes are in one gigabyte?

One gigabyte equals 0.001 terabytes, which is the reverse of the conversion above.

## Related pages

- [Gigabytes to Terabytes](https://atoneplace.net/convert/gb-to-tb/)
- [Terabytes to Bytes](https://atoneplace.net/convert/tb-to-bytes/)
- [Terabytes to Kilobytes](https://atoneplace.net/convert/tb-to-kb/)
- [Terabytes to Megabytes](https://atoneplace.net/convert/tb-to-mb/)
- [Terabytes to Bits](https://atoneplace.net/convert/tb-to-bits/)
- [Terabytes to Megabits](https://atoneplace.net/convert/tb-to-megabits/)

## Sources

- Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)]
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure)
- Calculated on this page — At One Place (/about/)