Gigabits to Gigabytes converter (Gb to GB)
Convert Gigabits (Gb) to Gigabytes (GB) with this free calculator. Type a value, press Convert, and the page applies the same factor shown in the formula below — no rounded shortcut, and nothing is stored on a server.
How to convert Gigabits to Gigabytes
1 gigabyte (GB) is equal to 8 gigabits (Gb).
GB = Gb ÷ 8
Divide the gigabits by 8:
Example: Convert 100 Gb to GB:
GB = 100 ÷ 8 = 12.5 GB
What is a Gigabits?
The Gigabits (Gb) is the starting or target unit on this page. Use the calculator above to convert values without looking up the factor by hand.
What is a Gigabytes?
The Gigabytes (GB) is the starting or target unit on this page. Use the calculator above to convert values without looking up the factor by hand.
This page converts digital storage from Gigabits into Gigabytes. One Gb equals 0.125 GB.
Gigabits to Gigabytes conversion table
Common Gb values and the matching GB result, calculated with the same factor as the widget. Highlight a nearby row if you want a quick check without entering a number.
| Gigabits (Gb) | Gigabytes (GB) |
|---|---|
| 1 Gb | 0.125 GB |
| 5 Gb | 0.625 GB |
| 10 Gb | 1.25 GB |
| 25 Gb | 3.125 GB |
| 50 Gb | 6.25 GB |
| 100 Gb | 12.5 GB |
| 200 Gb | 25 GB |
| 500 Gb | 62.5 GB |
| 1000 Gb | 125 GB |
How this calculator works
The form on this page is a Gigabits-to-Gigabytes converter. After you enter a number, JavaScript multiplies or rearranges it with the published conversion factor and writes the GB result in the output box. The step-by-step panel repeats the arithmetic so you can copy it into homework or a spreadsheet.
Reviewed by Hamsen, founder of GigaTables and a biology engineer. See the about page for how formulas are checked before a tool is published.
FAQ
How many GB are in 1 Gb?
1 Gb = 0.125 GB.
How do I convert Gigabits to Gigabytes?
Divide the gigabits by 8:
Is this Gb to GB converter free?
Yes. GigaTables calculators are free to use in a browser. You do not need an account, and the values you type are not uploaded.