---
title: "Gigabits to Terabytes — Gb to TB converter"
description: "1 gigabit = 0.000125 terabytes. Convert gigabits to terabytes with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/gigabits-to-tb/
site: "At One Place"
---

# Gigabits to terabytes

**1 gigabit in terabytes: 1 Gb = 0.000125 TB**

TB = Gb × 0.000125

To convert gigabits to terabytes, multiply by 0.000125. The table below gives the values people look up most often, and the converter works for any number.

## Gigabits to terabytes table

*Common gigabit values converted to terabytes.*

| Gigabits | Terabytes |
| --- | --- |
| 1 Gb | 0.000125 |
| 2 Gb | 0.00025 |
| 3 Gb | 0.000375 |
| 4 Gb | 0.0005 |
| 5 Gb | 0.000625 |
| 10 Gb | 0.00125 |
| 15 Gb | 0.001875 |
| 20 Gb | 0.0025 |
| 25 Gb | 0.003125 |
| 30 Gb | 0.00375 |
| 40 Gb | 0.005 |
| 50 Gb | 0.00625 |
| 75 Gb | 0.009375 |
| 100 Gb | 0.0125 |
| 250 Gb | 0.03125 |
| 500 Gb | 0.0625 |
| 1,000 Gb | 0.125 |

## How the conversion works

The relationship is TB = Gb × 0.000125. Both units measure data, so the conversion is a fixed factor that never changes.

## Common questions

### How many terabytes are in one gigabit?

One gigabit equals 0.000125 terabytes. TB = Gb × 0.000125.

### How do you convert gigabits to terabytes?

Use TB = Gb × 0.000125. So 10 Gb is 0.00125 TB.

### How many gigabits are in one terabyte?

One terabyte equals 8,000 gigabits, which is the reverse of the conversion above.

## Related pages

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