---
title: "Gigabits to Gigabytes — Gb to GB converter"
description: "1 gigabit = 0.125 gigabytes. Convert gigabits to gigabytes with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/gigabits-to-gb/
site: "At One Place"
---

# Gigabits to gigabytes

**1 gigabit in gigabytes: 1 Gb = 0.125 GB**

GB = Gb × 1/8

To convert gigabits to gigabytes, multiply by 0.125. The table below gives the values people look up most often, and the converter works for any number.

## Gigabits to gigabytes table

*Common gigabit values converted to gigabytes.*

| Gigabits | Gigabytes |
| --- | --- |
| 1 Gb | 0.125 |
| 2 Gb | 0.25 |
| 3 Gb | 0.375 |
| 4 Gb | 0.5 |
| 5 Gb | 0.625 |
| 10 Gb | 1.25 |
| 15 Gb | 1.875 |
| 20 Gb | 2.5 |
| 25 Gb | 3.125 |
| 30 Gb | 3.75 |
| 40 Gb | 5 |
| 50 Gb | 6.25 |
| 75 Gb | 9.375 |
| 100 Gb | 12.5 |
| 250 Gb | 31.25 |
| 500 Gb | 62.5 |
| 1,000 Gb | 125 |

## How the conversion works

The relationship is GB = Gb × 1/8. Both units measure data, so the conversion is a fixed factor that never changes.

## Common questions

### How many gigabytes are in one gigabit?

One gigabit equals 0.125 gigabytes. GB = Gb × 1/8.

### How do you convert gigabits to gigabytes?

Use GB = Gb × 1/8. So 10 Gb is 1.25 GB.

### How many gigabits are in one gigabyte?

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

## Related pages

- [Gigabytes to Gigabits](https://atoneplace.net/convert/gb-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 Terabytes](https://atoneplace.net/convert/gigabits-to-tb/)
- [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/)