---
title: "Gigabytes to Gigabits — GB to Gb converter"
description: "1 gigabyte = 8 gigabits. Convert gigabytes to gigabits with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/gb-to-gigabits/
site: "At One Place"
---

# Gigabytes to gigabits

**1 gigabyte in gigabits: 1 GB = 8 Gb**

Gb = GB × 8

To convert gigabytes to gigabits, multiply by 8. The table below gives the values people look up most often, and the converter works for any number.

## Gigabytes to gigabits table

*Common gigabyte values converted to gigabits.*

| Gigabytes | Gigabits |
| --- | --- |
| 1 GB | 8 |
| 2 GB | 16 |
| 3 GB | 24 |
| 4 GB | 32 |
| 5 GB | 40 |
| 10 GB | 80 |
| 15 GB | 120 |
| 20 GB | 160 |
| 25 GB | 200 |
| 30 GB | 240 |
| 40 GB | 320 |
| 50 GB | 400 |
| 75 GB | 600 |
| 100 GB | 800 |
| 250 GB | 2,000 |
| 500 GB | 4,000 |
| 1,000 GB | 8,000 |

## How the conversion works

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

## Common questions

### How many gigabits are in one gigabyte?

One gigabyte equals 8 gigabits. Gb = GB × 8.

### How do you convert gigabytes to gigabits?

Use Gb = GB × 8. So 10 GB is 80 Gb.

### How many gigabytes are in one gigabit?

One gigabit equals 0.125 gigabytes, which is the reverse of the conversion above.

## Related pages

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